18976819992

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{408209}}^1$

素因数の和:408380

約数の個数: 64

約数和(自身を含む): 51434460000

約数和(自身を除く): 32457640008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 149, 156, 298, 312, 447, 596, 894, 1192, 1788, 1937, 3576, 3874, 5811, 7748, 11622, 15496, 23244, 46488, 408209, 816418, 1224627, 1632836, 2449254, 3265672, 4898508, 5306717, 9797016, 10613434, 15920151, 21226868, 31840302, 42453736, 60823141, 63680604, 121646282, 127361208, 182469423, 243292564, 364938846, 486585128, 729877692, 790700833, 1459755384, 1581401666, 2372102499, 3162803332, 4744204998, 6325606664, 9488409996, 18976819992]

約数ペア:

[(1, 18976819992), (2, 9488409996), (3, 6325606664), (4, 4744204998), (6, 3162803332), (8, 2372102499), (12, 1581401666), (13, 1459755384), (24, 790700833), (26, 729877692), (39, 486585128), (52, 364938846), (78, 243292564), (104, 182469423), (149, 127361208), (156, 121646282), (298, 63680604), (312, 60823141), (447, 42453736), (596, 31840302), (894, 21226868), (1192, 15920151), (1788, 10613434), (1937, 9797016), (3576, 5306717), (3874, 4898508), (5811, 3265672), (7748, 2449254), (11622, 1632836), (15496, 1224627), (23244, 816418), (46488, 408209)]