18880974738

素因数分解:

$2^1\times 3^2\times {\mathrm{1091}}^1\times {\mathrm{961451}}^1$

素因数の和:962550

約数の個数: 24

約数和(自身を含む): 40946317776

約数和(自身を除く): 22065343038

約数列:

[1, 2, 3, 6, 9, 18, 1091, 2182, 3273, 6546, 9819, 19638, 961451, 1922902, 2884353, 5768706, 8653059, 17306118, 1048943041, 2097886082, 3146829123, 6293658246, 9440487369, 18880974738]

約数ペア:

[(1, 18880974738), (2, 9440487369), (3, 6293658246), (6, 3146829123), (9, 2097886082), (18, 1048943041), (1091, 17306118), (2182, 8653059), (3273, 5768706), (6546, 2884353), (9819, 1922902), (19638, 961451)]