19006480

素因数分解:

$2^4\times 5^1\times {\mathrm{237581}}^1$

素因数の和:237594

約数の個数: 20

約数和(自身を含む): 44190252

約数和(自身を除く): 25183772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 237581, 475162, 950324, 1187905, 1900648, 2375810, 3801296, 4751620, 9503240, 19006480]

約数ペア:

[(1, 19006480), (2, 9503240), (4, 4751620), (5, 3801296), (8, 2375810), (10, 1900648), (16, 1187905), (20, 950324), (40, 475162), (80, 237581)]