18709964

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1049}}^1$

素因数の和:1087

約数の個数: 48

約数和(自身を含む): 41160000

約数和(自身を除く): 22450036

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 343, 364, 637, 686, 1049, 1274, 1372, 2098, 2548, 4196, 4459, 7343, 8918, 13637, 14686, 17836, 27274, 29372, 51401, 54548, 95459, 102802, 190918, 205604, 359807, 381836, 668213, 719614, 1336426, 1439228, 2672852, 4677491, 9354982, 18709964]

約数ペア:

[(1, 18709964), (2, 9354982), (4, 4677491), (7, 2672852), (13, 1439228), (14, 1336426), (26, 719614), (28, 668213), (49, 381836), (52, 359807), (91, 205604), (98, 190918), (182, 102802), (196, 95459), (343, 54548), (364, 51401), (637, 29372), (686, 27274), (1049, 17836), (1274, 14686), (1372, 13637), (2098, 8918), (2548, 7343), (4196, 4459)]