19490450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 41783040

約数和(自身を除く): 22292590

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 233, 239, 350, 466, 478, 1165, 1195, 1631, 1673, 2330, 2390, 3262, 3346, 5825, 5975, 8155, 8365, 11650, 11950, 16310, 16730, 40775, 41825, 55687, 81550, 83650, 111374, 278435, 389809, 556870, 779618, 1392175, 1949045, 2784350, 3898090, 9745225, 19490450]

約数ペア:

[(1, 19490450), (2, 9745225), (5, 3898090), (7, 2784350), (10, 1949045), (14, 1392175), (25, 779618), (35, 556870), (50, 389809), (70, 278435), (175, 111374), (233, 83650), (239, 81550), (350, 55687), (466, 41825), (478, 40775), (1165, 16730), (1195, 16310), (1631, 11950), (1673, 11650), (2330, 8365), (2390, 8155), (3262, 5975), (3346, 5825)]