19566404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 40830720

約数和(自身を除く): 21264316

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 79, 143, 158, 286, 316, 433, 572, 866, 869, 1027, 1732, 1738, 2054, 3476, 4108, 4763, 5629, 9526, 11258, 11297, 19052, 22516, 22594, 34207, 45188, 61919, 68414, 123838, 136828, 247676, 376277, 444691, 752554, 889382, 1505108, 1778764, 4891601, 9783202, 19566404]

約数ペア:

[(1, 19566404), (2, 9783202), (4, 4891601), (11, 1778764), (13, 1505108), (22, 889382), (26, 752554), (44, 444691), (52, 376277), (79, 247676), (143, 136828), (158, 123838), (286, 68414), (316, 61919), (433, 45188), (572, 34207), (866, 22594), (869, 22516), (1027, 19052), (1732, 11297), (1738, 11258), (2054, 9526), (3476, 5629), (4108, 4763)]