19598480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22271}}^1$

素因数の和:22295

約数の個数: 40

約数和(自身を含む): 49711104

約数和(自身を除く): 30112624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22271, 44542, 89084, 111355, 178168, 222710, 244981, 356336, 445420, 489962, 890840, 979924, 1224905, 1781680, 1959848, 2449810, 3919696, 4899620, 9799240, 19598480]

約数ペア:

[(1, 19598480), (2, 9799240), (4, 4899620), (5, 3919696), (8, 2449810), (10, 1959848), (11, 1781680), (16, 1224905), (20, 979924), (22, 890840), (40, 489962), (44, 445420), (55, 356336), (80, 244981), (88, 222710), (110, 178168), (176, 111355), (220, 89084), (440, 44542), (880, 22271)]