18058901

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 21976920

約数和(自身を除く): 3918019

約数列:

[1, 7, 41, 49, 89, 101, 287, 623, 707, 2009, 3649, 4141, 4361, 4949, 8989, 25543, 28987, 62923, 178801, 202909, 368549, 440461, 2579843, 18058901]

約数ペア:

[(1, 18058901), (7, 2579843), (41, 440461), (49, 368549), (89, 202909), (101, 178801), (287, 62923), (623, 28987), (707, 25543), (2009, 8989), (3649, 4949), (4141, 4361)]