18309179

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 23500800

約数和(自身を除く): 5191621

約数列:

[1, 7, 19, 29, 47, 101, 133, 203, 329, 551, 707, 893, 1363, 1919, 2929, 3857, 4747, 6251, 9541, 13433, 20503, 25897, 33229, 55651, 90193, 137663, 181279, 389557, 631351, 963641, 2615597, 18309179]

約数ペア:

[(1, 18309179), (7, 2615597), (19, 963641), (29, 631351), (47, 389557), (101, 181279), (133, 137663), (203, 90193), (329, 55651), (551, 33229), (707, 25897), (893, 20503), (1363, 13433), (1919, 9541), (2929, 6251), (3857, 4747)]