19750790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1087}}^1$

素因数の和:1196

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 17850490

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 158, 230, 395, 790, 1087, 1817, 2174, 3634, 5435, 9085, 10870, 18170, 25001, 50002, 85873, 125005, 171746, 250010, 429365, 858730, 1975079, 3950158, 9875395, 19750790]

約数ペア:

[(1, 19750790), (2, 9875395), (5, 3950158), (10, 1975079), (23, 858730), (46, 429365), (79, 250010), (115, 171746), (158, 125005), (230, 85873), (395, 50002), (790, 25001), (1087, 18170), (1817, 10870), (2174, 9085), (3634, 5435)]