18897218

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1823}}^1$

素因数の和:1969

約数の個数: 16

約数和(自身を含む): 29154816

約数和(自身を除く): 10257598

約数列:

[1, 2, 71, 73, 142, 146, 1823, 3646, 5183, 10366, 129433, 133079, 258866, 266158, 9448609, 18897218]

約数ペア:

[(1, 18897218), (2, 9448609), (71, 266158), (73, 258866), (142, 133079), (146, 129433), (1823, 10366), (3646, 5183)]