18927558

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1721}}^1$

素因数の和:1789

約数の個数: 48

約数和(自身を含む): 45130176

約数和(自身を除く): 26202618

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 141, 234, 282, 423, 611, 846, 1222, 1721, 1833, 3442, 3666, 5163, 5499, 10326, 10998, 15489, 22373, 30978, 44746, 67119, 80887, 134238, 161774, 201357, 242661, 402714, 485322, 727983, 1051531, 1455966, 2103062, 3154593, 6309186, 9463779, 18927558]

約数ペア:

[(1, 18927558), (2, 9463779), (3, 6309186), (6, 3154593), (9, 2103062), (13, 1455966), (18, 1051531), (26, 727983), (39, 485322), (47, 402714), (78, 242661), (94, 201357), (117, 161774), (141, 134238), (234, 80887), (282, 67119), (423, 44746), (611, 30978), (846, 22373), (1222, 15489), (1721, 10998), (1833, 10326), (3442, 5499), (3666, 5163)]