18827080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12721}}^1$

素因数の和:12769

約数の個数: 32

約数和(自身を含む): 43509240

約数和(自身を除く): 24682160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12721, 25442, 50884, 63605, 101768, 127210, 254420, 470677, 508840, 941354, 1882708, 2353385, 3765416, 4706770, 9413540, 18827080]

約数ペア:

[(1, 18827080), (2, 9413540), (4, 4706770), (5, 3765416), (8, 2353385), (10, 1882708), (20, 941354), (37, 508840), (40, 470677), (74, 254420), (148, 127210), (185, 101768), (296, 63605), (370, 50884), (740, 25442), (1480, 12721)]