18718882

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2099}}^1$

素因数の和:2135

約数の個数: 32

約数和(自身を含む): 35280000

約数和(自身を除く): 16561118

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 2099, 4198, 4459, 8918, 14693, 27287, 29386, 54574, 102851, 191009, 205702, 382018, 719957, 1337063, 1439914, 2674126, 9359441, 18718882]

約数ペア:

[(1, 18718882), (2, 9359441), (7, 2674126), (13, 1439914), (14, 1337063), (26, 719957), (49, 382018), (91, 205702), (98, 191009), (182, 102851), (343, 54574), (637, 29386), (686, 27287), (1274, 14693), (2099, 8918), (4198, 4459)]