18438810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47279}}^1$

素因数の和:47302

約数の個数: 32

約数和(自身を含む): 47658240

約数和(自身を除く): 29219430

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 47279, 94558, 141837, 236395, 283674, 472790, 614627, 709185, 1229254, 1418370, 1843881, 3073135, 3687762, 6146270, 9219405, 18438810]

約数ペア:

[(1, 18438810), (2, 9219405), (3, 6146270), (5, 3687762), (6, 3073135), (10, 1843881), (13, 1418370), (15, 1229254), (26, 709185), (30, 614627), (39, 472790), (65, 283674), (78, 236395), (130, 141837), (195, 94558), (390, 47279)]