2018285980

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{402049}}^1$

素因数の和:402309

約数の個数: 24

約数和(自身を含む): 4255297200

約数和(自身を除く): 2237011220

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 402049, 804098, 1608196, 2010245, 4020490, 8040980, 100914299, 201828598, 403657196, 504571495, 1009142990, 2018285980]

約数ペア:

[(1, 2018285980), (2, 1009142990), (4, 504571495), (5, 403657196), (10, 201828598), (20, 100914299), (251, 8040980), (502, 4020490), (1004, 2010245), (1255, 1608196), (2510, 804098), (5020, 402049)]