2018398940

素因数分解:

$2^2\times 5^1\times {\mathrm{19139}}^1\times {\mathrm{5273}}^1$

素因数の和:24421

約数の個数: 24

約数和(自身を含む): 4239663120

約数和(自身を除く): 2221264180

約数列:

[1, 2, 4, 5, 10, 20, 5273, 10546, 19139, 21092, 26365, 38278, 52730, 76556, 95695, 105460, 191390, 382780, 100919947, 201839894, 403679788, 504599735, 1009199470, 2018398940]

約数ペア:

[(1, 2018398940), (2, 1009199470), (4, 504599735), (5, 403679788), (10, 201839894), (20, 100919947), (5273, 382780), (10546, 191390), (19139, 105460), (21092, 95695), (26365, 76556), (38278, 52730)]