17634980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 41005440

約数和(自身を除く): 23370460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1129, 1420, 1562, 2258, 3124, 3905, 4516, 5645, 7810, 11290, 12419, 15620, 22580, 24838, 49676, 62095, 80159, 124190, 160318, 248380, 320636, 400795, 801590, 881749, 1603180, 1763498, 3526996, 4408745, 8817490, 17634980]

約数ペア:

[(1, 17634980), (2, 8817490), (4, 4408745), (5, 3526996), (10, 1763498), (11, 1603180), (20, 881749), (22, 801590), (44, 400795), (55, 320636), (71, 248380), (110, 160318), (142, 124190), (220, 80159), (284, 62095), (355, 49676), (710, 24838), (781, 22580), (1129, 15620), (1420, 12419), (1562, 11290), (2258, 7810), (3124, 5645), (3905, 4516)]