19666473904

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1\times {\mathrm{1117}}^1$

素因数の和:1635

約数の個数: 160

約数和(自身を含む): 49188851712

約数和(自身を除く): 29522377808

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 77, 88, 112, 124, 154, 176, 217, 248, 308, 341, 434, 461, 496, 616, 682, 868, 922, 1117, 1232, 1364, 1736, 1844, 2234, 2387, 2728, 3227, 3472, 3688, 4468, 4774, 5071, 5456, 6454, 7376, 7819, 8936, 9548, 10142, 12287, 12908, 14291, 15638, 17872, 19096, 20284, 24574, 25816, 28582, 31276, 34627, 35497, 38192, 40568, 49148, 51632, 57164, 62552, 69254, 70994, 81136, 86009, 98296, 100037, 114328, 125104, 138508, 141988, 157201, 172018, 196592, 200074, 228656, 242389, 277016, 283976, 314402, 344036, 380897, 400148, 484778, 514937, 554032, 567952, 628804, 688072, 761794, 800296, 969556, 1029874, 1100407, 1257608, 1376144, 1523588, 1600592, 1939112, 2059748, 2200814, 2515216, 2666279, 3047176, 3604559, 3878224, 4119496, 4401628, 5332558, 5664307, 6094352, 7209118, 8238992, 8803256, 10665116, 11328614, 14418236, 15963047, 17606512, 21330232, 22657228, 28836472, 31926094, 39650149, 42660464, 45314456, 57672944, 63852188, 79300298, 90628912, 111741329, 127704376, 158600596, 175593517, 223482658, 255408752, 317201192, 351187034, 446965316, 634402384, 702374068, 893930632, 1229154619, 1404748136, 1787861264, 2458309238, 2809496272, 4916618476, 9833236952, 19666473904]

約数ペア:

[(1, 19666473904), (2, 9833236952), (4, 4916618476), (7, 2809496272), (8, 2458309238), (11, 1787861264), (14, 1404748136), (16, 1229154619), (22, 893930632), (28, 702374068), (31, 634402384), (44, 446965316), (56, 351187034), (62, 317201192), (77, 255408752), (88, 223482658), (112, 175593517), (124, 158600596), (154, 127704376), (176, 111741329), (217, 90628912), (248, 79300298), (308, 63852188), (341, 57672944), (434, 45314456), (461, 42660464), (496, 39650149), (616, 31926094), (682, 28836472), (868, 22657228), (922, 21330232), (1117, 17606512), (1232, 15963047), (1364, 14418236), (1736, 11328614), (1844, 10665116), (2234, 8803256), (2387, 8238992), (2728, 7209118), (3227, 6094352), (3472, 5664307), (3688, 5332558), (4468, 4401628), (4774, 4119496), (5071, 3878224), (5456, 3604559), (6454, 3047176), (7376, 2666279), (7819, 2515216), (8936, 2200814), (9548, 2059748), (10142, 1939112), (12287, 1600592), (12908, 1523588), (14291, 1376144), (15638, 1257608), (17872, 1100407), (19096, 1029874), (20284, 969556), (24574, 800296), (25816, 761794), (28582, 688072), (31276, 628804), (34627, 567952), (35497, 554032), (38192, 514937), (40568, 484778), (49148, 400148), (51632, 380897), (57164, 344036), (62552, 314402), (69254, 283976), (70994, 277016), (81136, 242389), (86009, 228656), (98296, 200074), (100037, 196592), (114328, 172018), (125104, 157201), (138508, 141988)]