19406320

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3323}}^1$

素因数の和:3409

約数の個数: 40

約数和(自身を含む): 45751536

約数和(自身を除く): 26345216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3323, 5840, 6646, 13292, 16615, 26584, 33230, 53168, 66460, 132920, 242579, 265840, 485158, 970316, 1212895, 1940632, 2425790, 3881264, 4851580, 9703160, 19406320]

約数ペア:

[(1, 19406320), (2, 9703160), (4, 4851580), (5, 3881264), (8, 2425790), (10, 1940632), (16, 1212895), (20, 970316), (40, 485158), (73, 265840), (80, 242579), (146, 132920), (292, 66460), (365, 53168), (584, 33230), (730, 26584), (1168, 16615), (1460, 13292), (2920, 6646), (3323, 5840)]