18080220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{557}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 50809248

約数和(自身を除く): 32729028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 541, 557, 1082, 1114, 1623, 1671, 2164, 2228, 2705, 2785, 3246, 3342, 5410, 5570, 6492, 6684, 8115, 8355, 10820, 11140, 16230, 16710, 32460, 33420, 301337, 602674, 904011, 1205348, 1506685, 1808022, 3013370, 3616044, 4520055, 6026740, 9040110, 18080220]

約数ペア:

[(1, 18080220), (2, 9040110), (3, 6026740), (4, 4520055), (5, 3616044), (6, 3013370), (10, 1808022), (12, 1506685), (15, 1205348), (20, 904011), (30, 602674), (60, 301337), (541, 33420), (557, 32460), (1082, 16710), (1114, 16230), (1623, 11140), (1671, 10820), (2164, 8355), (2228, 8115), (2705, 6684), (2785, 6492), (3246, 5570), (3342, 5410)]