18312040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12373}}^1$

素因数の和:12421

約数の個数: 32

約数和(自身を含む): 42319080

約数和(自身を除く): 24007040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12373, 24746, 49492, 61865, 98984, 123730, 247460, 457801, 494920, 915602, 1831204, 2289005, 3662408, 4578010, 9156020, 18312040]

約数ペア:

[(1, 18312040), (2, 9156020), (4, 4578010), (5, 3662408), (8, 2289005), (10, 1831204), (20, 915602), (37, 494920), (40, 457801), (74, 247460), (148, 123730), (185, 98984), (296, 61865), (370, 49492), (740, 24746), (1480, 12373)]