19287190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1667}}^1$

素因数の和:1776

約数の個数: 32

約数和(自身を含む): 37830240

約数和(自身を除く): 18543050

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 1667, 2314, 3334, 5785, 8335, 11570, 16670, 21671, 43342, 108355, 148363, 216710, 296726, 741815, 1483630, 1928719, 3857438, 9643595, 19287190]

約数ペア:

[(1, 19287190), (2, 9643595), (5, 3857438), (10, 1928719), (13, 1483630), (26, 741815), (65, 296726), (89, 216710), (130, 148363), (178, 108355), (445, 43342), (890, 21671), (1157, 16670), (1667, 11570), (2314, 8335), (3334, 5785)]