19139956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{18913}}^1$

素因数の和:18951

約数の個数: 24

約数和(自身を含む): 38130624

約数和(自身を除く): 18990668

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 18913, 37826, 75652, 208043, 416086, 434999, 832172, 869998, 1739996, 4784989, 9569978, 19139956]

約数ペア:

[(1, 19139956), (2, 9569978), (4, 4784989), (11, 1739996), (22, 869998), (23, 832172), (44, 434999), (46, 416086), (92, 208043), (253, 75652), (506, 37826), (1012, 18913)]