19639574

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{4519}}^1$

素因数の和:4615

約数の個数: 16

約数和(自身を含む): 30754080

約数和(自身を除く): 11114506

約数列:

[1, 2, 41, 53, 82, 106, 2173, 4346, 4519, 9038, 185279, 239507, 370558, 479014, 9819787, 19639574]

約数ペア:

[(1, 19639574), (2, 9819787), (41, 479014), (53, 370558), (82, 239507), (106, 185279), (2173, 9038), (4346, 4519)]