18610480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 49996800

約数和(自身を除く): 31386320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 167, 199, 280, 334, 398, 560, 668, 796, 835, 995, 1169, 1336, 1393, 1592, 1670, 1990, 2338, 2672, 2786, 3184, 3340, 3980, 4676, 5572, 5845, 6680, 6965, 7960, 9352, 11144, 11690, 13360, 13930, 15920, 18704, 22288, 23380, 27860, 33233, 46760, 55720, 66466, 93520, 111440, 132932, 166165, 232631, 265864, 332330, 465262, 531728, 664660, 930524, 1163155, 1329320, 1861048, 2326310, 2658640, 3722096, 4652620, 9305240, 18610480]

約数ペア:

[(1, 18610480), (2, 9305240), (4, 4652620), (5, 3722096), (7, 2658640), (8, 2326310), (10, 1861048), (14, 1329320), (16, 1163155), (20, 930524), (28, 664660), (35, 531728), (40, 465262), (56, 332330), (70, 265864), (80, 232631), (112, 166165), (140, 132932), (167, 111440), (199, 93520), (280, 66466), (334, 55720), (398, 46760), (560, 33233), (668, 27860), (796, 23380), (835, 22288), (995, 18704), (1169, 15920), (1336, 13930), (1393, 13360), (1592, 11690), (1670, 11144), (1990, 9352), (2338, 7960), (2672, 6965), (2786, 6680), (3184, 5845), (3340, 5572), (3980, 4676)]