1901886890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{322901}}^1$

素因数の和:322958

約数の個数: 32

約数和(自身を含む): 3719831040

約数和(自身を除く): 1817944150

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 322901, 645802, 1614505, 3229010, 6135119, 10009931, 12270238, 20019862, 30675595, 50049655, 61351190, 100099310, 190188689, 380377378, 950943445, 1901886890]

約数ペア:

[(1, 1901886890), (2, 950943445), (5, 380377378), (10, 190188689), (19, 100099310), (31, 61351190), (38, 50049655), (62, 30675595), (95, 20019862), (155, 12270238), (190, 10009931), (310, 6135119), (589, 3229010), (1178, 1614505), (2945, 645802), (5890, 322901)]