18711770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1323

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 25525030

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1279, 1330, 1463, 2090, 2558, 2926, 6395, 7315, 8953, 12790, 14069, 14630, 17906, 24301, 28138, 44765, 48602, 70345, 89530, 98483, 121505, 140690, 170107, 196966, 243010, 267311, 340214, 492415, 534622, 850535, 984830, 1336555, 1701070, 1871177, 2673110, 3742354, 9355885, 18711770]

約数ペア:

[(1, 18711770), (2, 9355885), (5, 3742354), (7, 2673110), (10, 1871177), (11, 1701070), (14, 1336555), (19, 984830), (22, 850535), (35, 534622), (38, 492415), (55, 340214), (70, 267311), (77, 243010), (95, 196966), (110, 170107), (133, 140690), (154, 121505), (190, 98483), (209, 89530), (266, 70345), (385, 48602), (418, 44765), (665, 28138), (770, 24301), (1045, 17906), (1279, 14630), (1330, 14069), (1463, 12790), (2090, 8953), (2558, 7315), (2926, 6395)]