2019980390

素因数分解:

$2^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{373379}}^1$

素因数の和:373927

約数の個数: 16

約数和(自身を含む): 3642695280

約数和(自身を除く): 1622714890

約数列:

[1, 2, 5, 10, 541, 1082, 2705, 5410, 373379, 746758, 1866895, 3733790, 201998039, 403996078, 1009990195, 2019980390]

約数ペア:

[(1, 2019980390), (2, 1009990195), (5, 403996078), (10, 201998039), (541, 3733790), (1082, 1866895), (2705, 746758), (5410, 373379)]