90871870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{478273}}^1$

素因数の和:478299

約数の個数: 16

約数和(自身を含む): 172178640

約数和(自身を除く): 81306770

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 478273, 956546, 2391365, 4782730, 9087187, 18174374, 45435935, 90871870]

約数ペア:

[(1, 90871870), (2, 45435935), (5, 18174374), (10, 9087187), (19, 4782730), (38, 2391365), (95, 956546), (190, 478273)]