1218139210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6411259}}^1$

素因数の和:6411285

約数の個数: 16

約数和(自身を含む): 2308053600

約数和(自身を除く): 1089914390

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 6411259, 12822518, 32056295, 64112590, 121813921, 243627842, 609069605, 1218139210]

約数ペア:

[(1, 1218139210), (2, 609069605), (5, 243627842), (10, 121813921), (19, 64112590), (38, 32056295), (95, 12822518), (190, 6411259)]