18859367821

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{3167}}^1\times {\mathrm{20749}}^1$

素因数の和:23964

約数の個数: 16

約数和(自身を含む): 22087296000

約数和(自身を除く): 3227928179

約数列:

[1, 7, 41, 287, 3167, 20749, 22169, 129847, 145243, 850709, 908929, 5954963, 65712083, 459984581, 2694195403, 18859367821]

約数ペア:

[(1, 18859367821), (7, 2694195403), (41, 459984581), (287, 65712083), (3167, 5954963), (20749, 908929), (22169, 850709), (129847, 145243)]