18899870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9043}}^1$

素因数の和:9080

約数の個数: 32

約数和(自身を含む): 39070080

約数和(自身を除く): 20170210

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9043, 18086, 45215, 90430, 99473, 171817, 198946, 343634, 497365, 859085, 994730, 1718170, 1889987, 3779974, 9449935, 18899870]

約数ペア:

[(1, 18899870), (2, 9449935), (5, 3779974), (10, 1889987), (11, 1718170), (19, 994730), (22, 859085), (38, 497365), (55, 343634), (95, 198946), (110, 171817), (190, 99473), (209, 90430), (418, 45215), (1045, 18086), (2090, 9043)]