18009791990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1289}}^1\times {\mathrm{48179}}^1$

素因数の和:49504

約数の個数: 32

約数和(自身を含む): 33562188000

約数和(自身を除く): 15552396010

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 1289, 2578, 6445, 12890, 37381, 48179, 74762, 96358, 186905, 240895, 373810, 481790, 1397191, 2794382, 6985955, 13971910, 62102731, 124205462, 310513655, 621027310, 1800979199, 3601958398, 9004895995, 18009791990]

約数ペア:

[(1, 18009791990), (2, 9004895995), (5, 3601958398), (10, 1800979199), (29, 621027310), (58, 310513655), (145, 124205462), (290, 62102731), (1289, 13971910), (2578, 6985955), (6445, 2794382), (12890, 1397191), (37381, 481790), (48179, 373810), (74762, 240895), (96358, 186905)]