18871944

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8641}}^1$

素因数の和:8670

約数の個数: 64

約数和(自身を含む): 58074240

約数和(自身を除く): 39202296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 8641, 17282, 25923, 34564, 51846, 60487, 69128, 103692, 112333, 120974, 181461, 207384, 224666, 241948, 336999, 362922, 449332, 483896, 673998, 725844, 786331, 898664, 1347996, 1451688, 1572662, 2358993, 2695992, 3145324, 4717986, 6290648, 9435972, 18871944]

約数ペア:

[(1, 18871944), (2, 9435972), (3, 6290648), (4, 4717986), (6, 3145324), (7, 2695992), (8, 2358993), (12, 1572662), (13, 1451688), (14, 1347996), (21, 898664), (24, 786331), (26, 725844), (28, 673998), (39, 483896), (42, 449332), (52, 362922), (56, 336999), (78, 241948), (84, 224666), (91, 207384), (104, 181461), (156, 120974), (168, 112333), (182, 103692), (273, 69128), (312, 60487), (364, 51846), (546, 34564), (728, 25923), (1092, 17282), (2184, 8641)]