19724848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 46309536

約数和(自身を除く): 26584688

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 176, 208, 233, 286, 296, 407, 466, 481, 572, 592, 814, 932, 962, 1144, 1628, 1864, 1924, 2288, 2563, 3029, 3256, 3728, 3848, 5126, 5291, 6058, 6512, 7696, 8621, 10252, 10582, 12116, 17242, 20504, 21164, 24232, 33319, 34484, 41008, 42328, 48464, 66638, 68968, 84656, 94831, 112073, 133276, 137936, 189662, 224146, 266552, 379324, 448292, 533104, 758648, 896584, 1232803, 1517296, 1793168, 2465606, 4931212, 9862424, 19724848]

約数ペア:

[(1, 19724848), (2, 9862424), (4, 4931212), (8, 2465606), (11, 1793168), (13, 1517296), (16, 1232803), (22, 896584), (26, 758648), (37, 533104), (44, 448292), (52, 379324), (74, 266552), (88, 224146), (104, 189662), (143, 137936), (148, 133276), (176, 112073), (208, 94831), (233, 84656), (286, 68968), (296, 66638), (407, 48464), (466, 42328), (481, 41008), (572, 34484), (592, 33319), (814, 24232), (932, 21164), (962, 20504), (1144, 17242), (1628, 12116), (1864, 10582), (1924, 10252), (2288, 8621), (2563, 7696), (3029, 6512), (3256, 6058), (3728, 5291), (3848, 5126)]