2019975490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{196687}}^1$

素因数の和:196786

約数の個数: 32

約数和(自身を含む): 3965230080

約数和(自身を除く): 1945254590

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 10270, 196687, 393374, 983435, 1966870, 2556931, 5113862, 12784655, 15538273, 25569310, 31076546, 77691365, 155382730, 201997549, 403995098, 1009987745, 2019975490]

約数ペア:

[(1, 2019975490), (2, 1009987745), (5, 403995098), (10, 201997549), (13, 155382730), (26, 77691365), (65, 31076546), (79, 25569310), (130, 15538273), (158, 12784655), (395, 5113862), (790, 2556931), (1027, 1966870), (2054, 983435), (5135, 393374), (10270, 196687)]