2018958020

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{289249}}^1$

素因数の和:289607

約数の個数: 24

約数和(自身を含む): 4251975000

約数和(自身を除く): 2233016980

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 289249, 578498, 1156996, 1446245, 2892490, 5784980, 100947901, 201895802, 403791604, 504739505, 1009479010, 2018958020]

約数ペア:

[(1, 2018958020), (2, 1009479010), (4, 504739505), (5, 403791604), (10, 201895802), (20, 100947901), (349, 5784980), (698, 2892490), (1396, 1446245), (1745, 1156996), (3490, 578498), (6980, 289249)]