18803379

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{21839}}^1$

素因数の和:21890

約数の個数: 16

約数和(自身を含む): 29352960

約数和(自身を除く): 10549581

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 21839, 65517, 152873, 458619, 895399, 2686197, 6267793, 18803379]

約数ペア:

[(1, 18803379), (3, 6267793), (7, 2686197), (21, 895399), (41, 458619), (123, 152873), (287, 65517), (861, 21839)]