18738730

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4673}}^1$

素因数の和:5081

約数の個数: 16

約数和(自身を含む): 33821064

約数和(自身を除く): 15082334

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 4673, 9346, 23365, 46730, 1873873, 3747746, 9369365, 18738730]

約数ペア:

[(1, 18738730), (2, 9369365), (5, 3747746), (10, 1873873), (401, 46730), (802, 23365), (2005, 9346), (4010, 4673)]