19798228

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2927}}^1$

素因数の和:3039

約数の個数: 24

約数和(自身を含む): 36892800

約数和(自身を除く): 17094572

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 2927, 3382, 5854, 6764, 11708, 55613, 111226, 222452, 260503, 521006, 1042012, 4949557, 9899114, 19798228]

約数ペア:

[(1, 19798228), (2, 9899114), (4, 4949557), (19, 1042012), (38, 521006), (76, 260503), (89, 222452), (178, 111226), (356, 55613), (1691, 11708), (2927, 6764), (3382, 5854)]