17993703

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3469}}^1$

素因数の和:3511

約数の個数: 32

約数和(自身を含む): 31091200

約数和(自身を除く): 13097497

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 3469, 5187, 10407, 24283, 45097, 65911, 72849, 135291, 197733, 315679, 461377, 856843, 947037, 1384131, 2570529, 5997901, 17993703]

約数ペア:

[(1, 17993703), (3, 5997901), (7, 2570529), (13, 1384131), (19, 947037), (21, 856843), (39, 461377), (57, 315679), (91, 197733), (133, 135291), (247, 72849), (273, 65911), (399, 45097), (741, 24283), (1729, 10407), (3469, 5187)]