18203283

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2557}}^1$

素因数の和:2683

約数の個数: 24

約数和(自身を含む): 30327648

約数和(自身を除く): 12124365

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 2557, 7119, 7671, 17899, 23013, 53697, 161091, 288941, 866823, 2022587, 2600469, 6067761, 18203283]

約数ペア:

[(1, 18203283), (3, 6067761), (7, 2600469), (9, 2022587), (21, 866823), (63, 288941), (113, 161091), (339, 53697), (791, 23013), (1017, 17899), (2373, 7671), (2557, 7119)]