18719376

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 52704960

約数和(自身を除く): 33985584

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 131, 156, 208, 229, 262, 312, 393, 458, 524, 624, 687, 786, 916, 1048, 1374, 1572, 1703, 1832, 2096, 2748, 2977, 3144, 3406, 3664, 5109, 5496, 5954, 6288, 6812, 8931, 10218, 10992, 11908, 13624, 17862, 20436, 23816, 27248, 29999, 35724, 40872, 47632, 59998, 71448, 81744, 89997, 119996, 142896, 179994, 239992, 359988, 389987, 479984, 719976, 779974, 1169961, 1439952, 1559948, 2339922, 3119896, 4679844, 6239792, 9359688, 18719376]

約数ペア:

[(1, 18719376), (2, 9359688), (3, 6239792), (4, 4679844), (6, 3119896), (8, 2339922), (12, 1559948), (13, 1439952), (16, 1169961), (24, 779974), (26, 719976), (39, 479984), (48, 389987), (52, 359988), (78, 239992), (104, 179994), (131, 142896), (156, 119996), (208, 89997), (229, 81744), (262, 71448), (312, 59998), (393, 47632), (458, 40872), (524, 35724), (624, 29999), (687, 27248), (786, 23816), (916, 20436), (1048, 17862), (1374, 13624), (1572, 11908), (1703, 10992), (1832, 10218), (2096, 8931), (2748, 6812), (2977, 6288), (3144, 5954), (3406, 5496), (3664, 5109)]