18437419

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 25127424

約数和(自身を除く): 6690005

約数列:

[1, 7, 11, 13, 77, 91, 113, 143, 163, 791, 1001, 1141, 1243, 1469, 1793, 2119, 8701, 10283, 12551, 14833, 16159, 18419, 23309, 113113, 128933, 163163, 202609, 239447, 1418263, 1676129, 2633917, 18437419]

約数ペア:

[(1, 18437419), (7, 2633917), (11, 1676129), (13, 1418263), (77, 239447), (91, 202609), (113, 163163), (143, 128933), (163, 113113), (791, 23309), (1001, 18419), (1141, 16159), (1243, 14833), (1469, 12551), (1793, 10283), (2119, 8701)]