18472013

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 23459712

約数和(自身を除く): 4987699

約数列:

[1, 7, 17, 23, 119, 161, 289, 391, 397, 2023, 2737, 2779, 6647, 6749, 9131, 46529, 47243, 63917, 114733, 155227, 803131, 1086589, 2638859, 18472013]

約数ペア:

[(1, 18472013), (7, 2638859), (17, 1086589), (23, 803131), (119, 155227), (161, 114733), (289, 63917), (391, 47243), (397, 46529), (2023, 9131), (2737, 6749), (2779, 6647)]