18043730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4129}}^1$

素因数の和:4178

約数の個数: 32

約数和(自身を含む): 35683200

約数和(自身を除く): 17639470

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4129, 4370, 8258, 20645, 41290, 78451, 94967, 156902, 189934, 392255, 474835, 784510, 949670, 1804373, 3608746, 9021865, 18043730]

約数ペア:

[(1, 18043730), (2, 9021865), (5, 3608746), (10, 1804373), (19, 949670), (23, 784510), (38, 474835), (46, 392255), (95, 189934), (115, 156902), (190, 94967), (230, 78451), (437, 41290), (874, 20645), (2185, 8258), (4129, 4370)]