30419788

素因数分解:

$2^2\times 7^2\times {\mathrm{155203}}^1$

素因数の和:155221

約数の個数: 18

約数和(自身を含む): 61926396

約数和(自身を除く): 31506608

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 155203, 310406, 620812, 1086421, 2172842, 4345684, 7604947, 15209894, 30419788]

約数ペア:

[(1, 30419788), (2, 15209894), (4, 7604947), (7, 4345684), (14, 2172842), (28, 1086421), (49, 620812), (98, 310406), (196, 155203)]