18256888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{503}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 37044000

約数和(自身を除く): 18787112

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 349, 503, 698, 1006, 1396, 2012, 2792, 4024, 4537, 6539, 9074, 13078, 18148, 26156, 36296, 52312, 175547, 351094, 702188, 1404376, 2282111, 4564222, 9128444, 18256888]

約数ペア:

[(1, 18256888), (2, 9128444), (4, 4564222), (8, 2282111), (13, 1404376), (26, 702188), (52, 351094), (104, 175547), (349, 52312), (503, 36296), (698, 26156), (1006, 18148), (1396, 13078), (2012, 9074), (2792, 6539), (4024, 4537)]