18716256

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{4999}}^1$

素因数の和:5028

約数の個数: 72

約数和(自身を含む): 57330000

約数和(自身を除く): 38613744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 4999, 9998, 14997, 19996, 29994, 39992, 44991, 59988, 64987, 79984, 89982, 119976, 129974, 159968, 179964, 194961, 239952, 259948, 359928, 389922, 479904, 519896, 584883, 719856, 779844, 1039792, 1169766, 1439712, 1559688, 2079584, 2339532, 3119376, 4679064, 6238752, 9358128, 18716256]

約数ペア:

[(1, 18716256), (2, 9358128), (3, 6238752), (4, 4679064), (6, 3119376), (8, 2339532), (9, 2079584), (12, 1559688), (13, 1439712), (16, 1169766), (18, 1039792), (24, 779844), (26, 719856), (32, 584883), (36, 519896), (39, 479904), (48, 389922), (52, 359928), (72, 259948), (78, 239952), (96, 194961), (104, 179964), (117, 159968), (144, 129974), (156, 119976), (208, 89982), (234, 79984), (288, 64987), (312, 59988), (416, 44991), (468, 39992), (624, 29994), (936, 19996), (1248, 14997), (1872, 9998), (3744, 4999)]