19640538

素因数分解:

$2^1\times 3^2\times {\mathrm{379}}^1\times {\mathrm{2879}}^1$

素因数の和:3266

約数の個数: 24

約数和(自身を含む): 42681600

約数和(自身を除く): 23041062

約数列:

[1, 2, 3, 6, 9, 18, 379, 758, 1137, 2274, 2879, 3411, 5758, 6822, 8637, 17274, 25911, 51822, 1091141, 2182282, 3273423, 6546846, 9820269, 19640538]

約数ペア:

[(1, 19640538), (2, 9820269), (3, 6546846), (6, 3273423), (9, 2182282), (18, 1091141), (379, 51822), (758, 25911), (1137, 17274), (2274, 8637), (2879, 6822), (3411, 5758)]