18367887872

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{1157251}}^1$

素因数の和:1157300

約数の個数: 40

約数和(自身を含む): 37883801472

約数和(自身を除く): 19515913600

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 1157251, 2314502, 4629004, 9258008, 18516016, 35874781, 37032032, 71749562, 74064064, 143499124, 148128128, 286998248, 296256256, 573996496, 592512512, 1147992992, 2295985984, 4591971968, 9183943936, 18367887872]

約数ペア:

[(1, 18367887872), (2, 9183943936), (4, 4591971968), (8, 2295985984), (16, 1147992992), (31, 592512512), (32, 573996496), (62, 296256256), (64, 286998248), (124, 148128128), (128, 143499124), (248, 74064064), (256, 71749562), (496, 37032032), (512, 35874781), (992, 18516016), (1984, 9258008), (3968, 4629004), (7936, 2314502), (15872, 1157251)]