19848880

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1093}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 46394352

約数和(自身を除く): 26545472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1093, 1135, 1816, 2186, 2270, 3632, 4372, 4540, 5465, 8744, 9080, 10930, 17488, 18160, 21860, 43720, 87440, 248111, 496222, 992444, 1240555, 1984888, 2481110, 3969776, 4962220, 9924440, 19848880]

約数ペア:

[(1, 19848880), (2, 9924440), (4, 4962220), (5, 3969776), (8, 2481110), (10, 1984888), (16, 1240555), (20, 992444), (40, 496222), (80, 248111), (227, 87440), (454, 43720), (908, 21860), (1093, 18160), (1135, 17488), (1816, 10930), (2186, 9080), (2270, 8744), (3632, 5465), (4372, 4540)]