18113720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12239}}^1$

素因数の和:12287

約数の個数: 32

約数和(自身を含む): 41860800

約数和(自身を除く): 23747080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12239, 24478, 48956, 61195, 97912, 122390, 244780, 452843, 489560, 905686, 1811372, 2264215, 3622744, 4528430, 9056860, 18113720]

約数ペア:

[(1, 18113720), (2, 9056860), (4, 4528430), (5, 3622744), (8, 2264215), (10, 1811372), (20, 905686), (37, 489560), (40, 452843), (74, 244780), (148, 122390), (185, 97912), (296, 61195), (370, 48956), (740, 24478), (1480, 12239)]