17993404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 37537920

約数和(自身を除く): 19544516

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 83, 143, 166, 286, 332, 379, 572, 758, 913, 1079, 1516, 1826, 2158, 3652, 4169, 4316, 4927, 8338, 9854, 11869, 16676, 19708, 23738, 31457, 47476, 54197, 62914, 108394, 125828, 216788, 346027, 408941, 692054, 817882, 1384108, 1635764, 4498351, 8996702, 17993404]

約数ペア:

[(1, 17993404), (2, 8996702), (4, 4498351), (11, 1635764), (13, 1384108), (22, 817882), (26, 692054), (44, 408941), (52, 346027), (83, 216788), (143, 125828), (166, 108394), (286, 62914), (332, 54197), (379, 47476), (572, 31457), (758, 23738), (913, 19708), (1079, 16676), (1516, 11869), (1826, 9854), (2158, 8338), (3652, 4927), (4169, 4316)]