18206520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{877}}^1$

素因数の和:1064

約数の個数: 64

約数和(自身を含む): 54997920

約数和(自身を除く): 36791400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173, 346, 519, 692, 865, 877, 1038, 1384, 1730, 1754, 2076, 2595, 2631, 3460, 3508, 4152, 4385, 5190, 5262, 6920, 7016, 8770, 10380, 10524, 13155, 17540, 20760, 21048, 26310, 35080, 52620, 105240, 151721, 303442, 455163, 606884, 758605, 910326, 1213768, 1517210, 1820652, 2275815, 3034420, 3641304, 4551630, 6068840, 9103260, 18206520]

約数ペア:

[(1, 18206520), (2, 9103260), (3, 6068840), (4, 4551630), (5, 3641304), (6, 3034420), (8, 2275815), (10, 1820652), (12, 1517210), (15, 1213768), (20, 910326), (24, 758605), (30, 606884), (40, 455163), (60, 303442), (120, 151721), (173, 105240), (346, 52620), (519, 35080), (692, 26310), (865, 21048), (877, 20760), (1038, 17540), (1384, 13155), (1730, 10524), (1754, 10380), (2076, 8770), (2595, 7016), (2631, 6920), (3460, 5262), (3508, 5190), (4152, 4385)]