19938456

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{8933}}^1$

素因数の和:8976

約数の個数: 48

約数和(自身を含む): 55748160

約数和(自身を除く): 35809704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 8933, 17866, 26799, 35732, 53598, 71464, 80397, 107196, 160794, 214392, 276923, 321588, 553846, 643176, 830769, 1107692, 1661538, 2215384, 2492307, 3323076, 4984614, 6646152, 9969228, 19938456]

約数ペア:

[(1, 19938456), (2, 9969228), (3, 6646152), (4, 4984614), (6, 3323076), (8, 2492307), (9, 2215384), (12, 1661538), (18, 1107692), (24, 830769), (31, 643176), (36, 553846), (62, 321588), (72, 276923), (93, 214392), (124, 160794), (186, 107196), (248, 80397), (279, 71464), (372, 53598), (558, 35732), (744, 26799), (1116, 17866), (2232, 8933)]