19916898

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{80963}}^1$

素因数の和:81009

約数の個数: 16

約数和(自身を含む): 40805856

約数和(自身を除く): 20888958

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 80963, 161926, 242889, 485778, 3319483, 6638966, 9958449, 19916898]

約数ペア:

[(1, 19916898), (2, 9958449), (3, 6638966), (6, 3319483), (41, 485778), (82, 242889), (123, 161926), (246, 80963)]