19885489286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5502349}}^1$

素因数の和:5502503

約数の個数: 16

約数和(自身を含む): 32353818000

約数和(自身を除く): 12468328714

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 5502349, 11004698, 71530537, 143061074, 764826511, 1529653022, 9942744643, 19885489286]

約数ペア:

[(1, 19885489286), (2, 9942744643), (13, 1529653022), (26, 764826511), (139, 143061074), (278, 71530537), (1807, 11004698), (3614, 5502349)]