19801344

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 58867200

約数和(自身を除く): 39065856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 32, 38, 46, 48, 57, 59, 64, 69, 76, 92, 96, 114, 118, 128, 138, 152, 177, 184, 192, 228, 236, 256, 276, 304, 354, 368, 384, 437, 456, 472, 552, 608, 708, 736, 768, 874, 912, 944, 1104, 1121, 1216, 1311, 1357, 1416, 1472, 1748, 1824, 1888, 2208, 2242, 2432, 2622, 2714, 2832, 2944, 3363, 3496, 3648, 3776, 4071, 4416, 4484, 4864, 5244, 5428, 5664, 5888, 6726, 6992, 7296, 7552, 8142, 8832, 8968, 10488, 10856, 11328, 13452, 13984, 14592, 15104, 16284, 17664, 17936, 20976, 21712, 22656, 25783, 26904, 27968, 32568, 35872, 41952, 43424, 45312, 51566, 53808, 55936, 65136, 71744, 77349, 83904, 86848, 103132, 107616, 111872, 130272, 143488, 154698, 167808, 173696, 206264, 215232, 260544, 286976, 309396, 335616, 347392, 412528, 430464, 521088, 618792, 825056, 860928, 1042176, 1237584, 1650112, 2475168, 3300224, 4950336, 6600448, 9900672, 19801344]

約数ペア:

[(1, 19801344), (2, 9900672), (3, 6600448), (4, 4950336), (6, 3300224), (8, 2475168), (12, 1650112), (16, 1237584), (19, 1042176), (23, 860928), (24, 825056), (32, 618792), (38, 521088), (46, 430464), (48, 412528), (57, 347392), (59, 335616), (64, 309396), (69, 286976), (76, 260544), (92, 215232), (96, 206264), (114, 173696), (118, 167808), (128, 154698), (138, 143488), (152, 130272), (177, 111872), (184, 107616), (192, 103132), (228, 86848), (236, 83904), (256, 77349), (276, 71744), (304, 65136), (354, 55936), (368, 53808), (384, 51566), (437, 45312), (456, 43424), (472, 41952), (552, 35872), (608, 32568), (708, 27968), (736, 26904), (768, 25783), (874, 22656), (912, 21712), (944, 20976), (1104, 17936), (1121, 17664), (1216, 16284), (1311, 15104), (1357, 14592), (1416, 13984), (1472, 13452), (1748, 11328), (1824, 10856), (1888, 10488), (2208, 8968), (2242, 8832), (2432, 8142), (2622, 7552), (2714, 7296), (2832, 6992), (2944, 6726), (3363, 5888), (3496, 5664), (3648, 5428), (3776, 5244), (4071, 4864), (4416, 4484)]