18287253

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{467}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 27986400

約数和(自身を除く): 9699147

約数列:

[1, 3, 9, 19, 57, 171, 229, 467, 687, 1401, 2061, 4203, 4351, 8873, 13053, 26619, 39159, 79857, 106943, 320829, 962487, 2031917, 6095751, 18287253]

約数ペア:

[(1, 18287253), (3, 6095751), (9, 2031917), (19, 962487), (57, 320829), (171, 106943), (229, 79857), (467, 39159), (687, 26619), (1401, 13053), (2061, 8873), (4203, 4351)]