2019959470

素因数分解:

$2^1\times 5^1\times {\mathrm{3943}}^1\times {\mathrm{51229}}^1$

素因数の和:55179

約数の個数: 16

約数和(自身を含む): 3636920160

約数和(自身を除く): 1616960690

約数列:

[1, 2, 5, 10, 3943, 7886, 19715, 39430, 51229, 102458, 256145, 512290, 201995947, 403991894, 1009979735, 2019959470]

約数ペア:

[(1, 2019959470), (2, 1009979735), (5, 403991894), (10, 201995947), (3943, 512290), (7886, 256145), (19715, 102458), (39430, 51229)]