19903947184

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{547}}^1$

素因数の和:779

約数の個数: 160

約数和(自身を含む): 44913553920

約数和(自身を除く): 25009606736

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 89, 92, 101, 176, 178, 184, 202, 253, 356, 368, 404, 506, 547, 712, 808, 979, 1012, 1094, 1111, 1424, 1616, 1958, 2024, 2047, 2188, 2222, 2323, 3916, 4048, 4094, 4376, 4444, 4646, 6017, 7832, 8188, 8752, 8888, 8989, 9292, 12034, 12581, 15664, 16376, 17776, 17978, 18584, 22517, 24068, 25162, 25553, 32752, 35956, 37168, 45034, 48136, 48683, 50324, 51106, 55247, 71912, 90068, 96272, 97366, 98879, 100648, 102212, 110494, 138391, 143824, 180136, 194732, 197758, 201296, 204424, 206747, 220988, 276782, 360272, 389464, 395516, 408848, 413494, 441976, 535513, 553564, 607717, 778928, 791032, 826988, 883952, 1071026, 1107128, 1119709, 1215434, 1270681, 1582064, 1653976, 2142052, 2214256, 2239418, 2274217, 2430868, 2541362, 3307952, 4284104, 4478836, 4548434, 4861736, 4916983, 5082724, 8568208, 8957672, 9096868, 9723472, 9833966, 10165448, 12316799, 13977491, 17915344, 18193736, 19667932, 20330896, 24633598, 27954982, 36387472, 39335864, 49267196, 54086813, 55909964, 78671728, 98534392, 108173626, 111819928, 113090609, 197068784, 216347252, 223639856, 226181218, 432694504, 452362436, 865389008, 904724872, 1243996699, 1809449744, 2487993398, 4975986796, 9951973592, 19903947184]

約数ペア:

[(1, 19903947184), (2, 9951973592), (4, 4975986796), (8, 2487993398), (11, 1809449744), (16, 1243996699), (22, 904724872), (23, 865389008), (44, 452362436), (46, 432694504), (88, 226181218), (89, 223639856), (92, 216347252), (101, 197068784), (176, 113090609), (178, 111819928), (184, 108173626), (202, 98534392), (253, 78671728), (356, 55909964), (368, 54086813), (404, 49267196), (506, 39335864), (547, 36387472), (712, 27954982), (808, 24633598), (979, 20330896), (1012, 19667932), (1094, 18193736), (1111, 17915344), (1424, 13977491), (1616, 12316799), (1958, 10165448), (2024, 9833966), (2047, 9723472), (2188, 9096868), (2222, 8957672), (2323, 8568208), (3916, 5082724), (4048, 4916983), (4094, 4861736), (4376, 4548434), (4444, 4478836), (4646, 4284104), (6017, 3307952), (7832, 2541362), (8188, 2430868), (8752, 2274217), (8888, 2239418), (8989, 2214256), (9292, 2142052), (12034, 1653976), (12581, 1582064), (15664, 1270681), (16376, 1215434), (17776, 1119709), (17978, 1107128), (18584, 1071026), (22517, 883952), (24068, 826988), (25162, 791032), (25553, 778928), (32752, 607717), (35956, 553564), (37168, 535513), (45034, 441976), (48136, 413494), (48683, 408848), (50324, 395516), (51106, 389464), (55247, 360272), (71912, 276782), (90068, 220988), (96272, 206747), (97366, 204424), (98879, 201296), (100648, 197758), (102212, 194732), (110494, 180136), (138391, 143824)]