19345818

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 39485952

約数和(自身を除く): 20140134

約数列:

[1, 2, 3, 6, 131, 151, 163, 262, 302, 326, 393, 453, 489, 786, 906, 978, 19781, 21353, 24613, 39562, 42706, 49226, 59343, 64059, 73839, 118686, 128118, 147678, 3224303, 6448606, 9672909, 19345818]

約数ペア:

[(1, 19345818), (2, 9672909), (3, 6448606), (6, 3224303), (131, 147678), (151, 128118), (163, 118686), (262, 73839), (302, 64059), (326, 59343), (393, 49226), (453, 42706), (489, 39562), (786, 24613), (906, 21353), (978, 19781)]