19635839993

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{461}}^1\times {\mathrm{1997}}^1$

素因数の和:2753

約数の個数: 32

約数和(自身を含む): 24635052288

約数和(自身を除く): 4999212295

約数列:

[1, 7, 11, 77, 277, 461, 1939, 1997, 3047, 3227, 5071, 13979, 21329, 21967, 35497, 127697, 153769, 553169, 893879, 920617, 1404667, 3872183, 6084859, 6444319, 9832669, 10126787, 42594013, 70887509, 255010909, 1785076363, 2805119999, 19635839993]

約数ペア:

[(1, 19635839993), (7, 2805119999), (11, 1785076363), (77, 255010909), (277, 70887509), (461, 42594013), (1939, 10126787), (1997, 9832669), (3047, 6444319), (3227, 6084859), (5071, 3872183), (13979, 1404667), (21329, 920617), (21967, 893879), (35497, 553169), (127697, 153769)]