19888944

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{3163}}^1$

素因数の和:3305

約数の個数: 40

約数和(自身を含む): 51788352

約数和(自身を除く): 31899408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 262, 393, 524, 786, 1048, 1572, 2096, 3144, 3163, 6288, 6326, 9489, 12652, 18978, 25304, 37956, 50608, 75912, 151824, 414353, 828706, 1243059, 1657412, 2486118, 3314824, 4972236, 6629648, 9944472, 19888944]

約数ペア:

[(1, 19888944), (2, 9944472), (3, 6629648), (4, 4972236), (6, 3314824), (8, 2486118), (12, 1657412), (16, 1243059), (24, 828706), (48, 414353), (131, 151824), (262, 75912), (393, 50608), (524, 37956), (786, 25304), (1048, 18978), (1572, 12652), (2096, 9489), (3144, 6326), (3163, 6288)]