18718440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 128

約数和(自身を含む): 61689600

約数和(自身を除く): 42971160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 71, 78, 104, 120, 130, 142, 156, 169, 195, 213, 260, 284, 312, 338, 355, 390, 426, 507, 520, 568, 676, 710, 780, 845, 852, 923, 1014, 1065, 1352, 1420, 1560, 1690, 1704, 1846, 2028, 2130, 2197, 2535, 2769, 2840, 3380, 3692, 4056, 4260, 4394, 4615, 5070, 5538, 6591, 6760, 7384, 8520, 8788, 9230, 10140, 10985, 11076, 11999, 13182, 13845, 17576, 18460, 20280, 21970, 22152, 23998, 26364, 27690, 32955, 35997, 36920, 43940, 47996, 52728, 55380, 59995, 65910, 71994, 87880, 95992, 110760, 119990, 131820, 143988, 155987, 179985, 239980, 263640, 287976, 311974, 359970, 467961, 479960, 623948, 719940, 779935, 935922, 1247896, 1439880, 1559870, 1871844, 2339805, 3119740, 3743688, 4679610, 6239480, 9359220, 18718440]

約数ペア:

[(1, 18718440), (2, 9359220), (3, 6239480), (4, 4679610), (5, 3743688), (6, 3119740), (8, 2339805), (10, 1871844), (12, 1559870), (13, 1439880), (15, 1247896), (20, 935922), (24, 779935), (26, 719940), (30, 623948), (39, 479960), (40, 467961), (52, 359970), (60, 311974), (65, 287976), (71, 263640), (78, 239980), (104, 179985), (120, 155987), (130, 143988), (142, 131820), (156, 119990), (169, 110760), (195, 95992), (213, 87880), (260, 71994), (284, 65910), (312, 59995), (338, 55380), (355, 52728), (390, 47996), (426, 43940), (507, 36920), (520, 35997), (568, 32955), (676, 27690), (710, 26364), (780, 23998), (845, 22152), (852, 21970), (923, 20280), (1014, 18460), (1065, 17576), (1352, 13845), (1420, 13182), (1560, 11999), (1690, 11076), (1704, 10985), (1846, 10140), (2028, 9230), (2130, 8788), (2197, 8520), (2535, 7384), (2769, 6760), (2840, 6591), (3380, 5538), (3692, 5070), (4056, 4615), (4260, 4394)]