18807770

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 34974720

約数和(自身を除く): 16166950

約数列:

[1, 2, 5, 10, 43, 86, 191, 215, 229, 382, 430, 458, 955, 1145, 1910, 2290, 8213, 9847, 16426, 19694, 41065, 43739, 49235, 82130, 87478, 98470, 218695, 437390, 1880777, 3761554, 9403885, 18807770]

約数ペア:

[(1, 18807770), (2, 9403885), (5, 3761554), (10, 1880777), (43, 437390), (86, 218695), (191, 98470), (215, 87478), (229, 82130), (382, 49235), (430, 43739), (458, 41065), (955, 19694), (1145, 16426), (1910, 9847), (2290, 8213)]