18420290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{733}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 38050560

約数和(自身を除く): 19630270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 359, 718, 733, 1466, 1795, 2513, 3590, 3665, 5026, 5131, 7330, 10262, 12565, 25130, 25655, 51310, 263147, 526294, 1315735, 1842029, 2631470, 3684058, 9210145, 18420290]

約数ペア:

[(1, 18420290), (2, 9210145), (5, 3684058), (7, 2631470), (10, 1842029), (14, 1315735), (35, 526294), (70, 263147), (359, 51310), (718, 25655), (733, 25130), (1466, 12565), (1795, 10262), (2513, 7330), (3590, 5131), (3665, 5026)]