18416307

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 32175360

約数和(自身を除く): 13759053

約数列:

[1, 3, 7, 13, 21, 23, 39, 49, 69, 91, 147, 161, 273, 299, 419, 483, 637, 897, 1127, 1257, 1911, 2093, 2933, 3381, 5447, 6279, 8799, 9637, 14651, 16341, 20531, 28911, 38129, 43953, 61593, 67459, 114387, 125281, 202377, 266903, 375843, 472213, 800709, 876967, 1416639, 2630901, 6138769, 18416307]

約数ペア:

[(1, 18416307), (3, 6138769), (7, 2630901), (13, 1416639), (21, 876967), (23, 800709), (39, 472213), (49, 375843), (69, 266903), (91, 202377), (147, 125281), (161, 114387), (273, 67459), (299, 61593), (419, 43953), (483, 38129), (637, 28911), (897, 20531), (1127, 16341), (1257, 14651), (1911, 9637), (2093, 8799), (2933, 6279), (3381, 5447)]