1900690897

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1\times {\mathrm{11351}}^1$

素因数の和:12636

約数の個数: 16

約数和(自身を含む): 2288563200

約数和(自身を除く): 387872303

約数列:

[1, 7, 19, 133, 1259, 8813, 11351, 23921, 79457, 167447, 215669, 1509683, 14290909, 100036363, 271527271, 1900690897]

約数ペア:

[(1, 1900690897), (7, 271527271), (19, 100036363), (133, 14290909), (1259, 1509683), (8813, 215669), (11351, 167447), (23921, 79457)]