19699240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44771}}^1$

素因数の和:44793

約数の個数: 32

約数和(自身を含む): 48353760

約数和(自身を除く): 28654520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44771, 89542, 179084, 223855, 358168, 447710, 492481, 895420, 984962, 1790840, 1969924, 2462405, 3939848, 4924810, 9849620, 19699240]

約数ペア:

[(1, 19699240), (2, 9849620), (4, 4924810), (5, 3939848), (8, 2462405), (10, 1969924), (11, 1790840), (20, 984962), (22, 895420), (40, 492481), (44, 447710), (55, 358168), (88, 223855), (110, 179084), (220, 89542), (440, 44771)]