17939240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40771}}^1$

素因数の和:40793

約数の個数: 32

約数和(自身を含む): 44033760

約数和(自身を除く): 26094520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 40771, 81542, 163084, 203855, 326168, 407710, 448481, 815420, 896962, 1630840, 1793924, 2242405, 3587848, 4484810, 8969620, 17939240]

約数ペア:

[(1, 17939240), (2, 8969620), (4, 4484810), (5, 3587848), (8, 2242405), (10, 1793924), (11, 1630840), (20, 896962), (22, 815420), (40, 448481), (44, 407710), (55, 326168), (88, 203855), (110, 163084), (220, 81542), (440, 40771)]