19818230

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 36661248

約数和(自身を除く): 16843018

約数列:

[1, 2, 5, 10, 71, 103, 142, 206, 271, 355, 515, 542, 710, 1030, 1355, 2710, 7313, 14626, 19241, 27913, 36565, 38482, 55826, 73130, 96205, 139565, 192410, 279130, 1981823, 3963646, 9909115, 19818230]

約数ペア:

[(1, 19818230), (2, 9909115), (5, 3963646), (10, 1981823), (71, 279130), (103, 192410), (142, 139565), (206, 96205), (271, 73130), (355, 55826), (515, 38482), (542, 36565), (710, 27913), (1030, 19241), (1355, 14626), (2710, 7313)]