18488558

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4021}}^1$

素因数の和:4064

約数の個数: 24

約数和(自身を含む): 32095560

約数和(自身を除く): 13607002

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4021, 4598, 8042, 44231, 76399, 88462, 152798, 486541, 840389, 973082, 1680778, 9244279, 18488558]

約数ペア:

[(1, 18488558), (2, 9244279), (11, 1680778), (19, 973082), (22, 840389), (38, 486541), (121, 152798), (209, 88462), (242, 76399), (418, 44231), (2299, 8042), (4021, 4598)]