19855430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9781}}^1$

素因数の和:9824

約数の個数: 32

約数和(自身を含む): 42258240

約数和(自身を除く): 22402810

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 9781, 19562, 48905, 68467, 97810, 136934, 283649, 342335, 567298, 684670, 1418245, 1985543, 2836490, 3971086, 9927715, 19855430]

約数ペア:

[(1, 19855430), (2, 9927715), (5, 3971086), (7, 2836490), (10, 1985543), (14, 1418245), (29, 684670), (35, 567298), (58, 342335), (70, 283649), (145, 136934), (203, 97810), (290, 68467), (406, 48905), (1015, 19562), (2030, 9781)]