19946490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 50232960

約数和(自身を除く): 30286470

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 101, 145, 174, 202, 227, 290, 303, 435, 454, 505, 606, 681, 870, 1010, 1135, 1362, 1515, 2270, 2929, 3030, 3405, 5858, 6583, 6810, 8787, 13166, 14645, 17574, 19749, 22927, 29290, 32915, 39498, 43935, 45854, 65830, 68781, 87870, 98745, 114635, 137562, 197490, 229270, 343905, 664883, 687810, 1329766, 1994649, 3324415, 3989298, 6648830, 9973245, 19946490]

約数ペア:

[(1, 19946490), (2, 9973245), (3, 6648830), (5, 3989298), (6, 3324415), (10, 1994649), (15, 1329766), (29, 687810), (30, 664883), (58, 343905), (87, 229270), (101, 197490), (145, 137562), (174, 114635), (202, 98745), (227, 87870), (290, 68781), (303, 65830), (435, 45854), (454, 43935), (505, 39498), (606, 32915), (681, 29290), (870, 22927), (1010, 19749), (1135, 17574), (1362, 14645), (1515, 13166), (2270, 8787), (2929, 6810), (3030, 6583), (3405, 5858)]