19378638

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{25037}}^1$

素因数の和:25088

約数の個数: 24

約数和(自身を含む): 42965208

約数和(自身を除く): 23586570

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 25037, 50074, 75111, 150222, 225333, 450666, 1076591, 2153182, 3229773, 6459546, 9689319, 19378638]

約数ペア:

[(1, 19378638), (2, 9689319), (3, 6459546), (6, 3229773), (9, 2153182), (18, 1076591), (43, 450666), (86, 225333), (129, 150222), (258, 75111), (387, 50074), (774, 25037)]