30728890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{161731}}^1$

素因数の和:161757

約数の個数: 16

約数和(自身を含む): 58223520

約数和(自身を除く): 27494630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 161731, 323462, 808655, 1617310, 3072889, 6145778, 15364445, 30728890]

約数ペア:

[(1, 30728890), (2, 15364445), (5, 6145778), (10, 3072889), (19, 1617310), (38, 808655), (95, 323462), (190, 161731)]