19429970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2127

約数の個数: 48

約数和(自身を含む): 42845760

約数和(自身を除く): 23415790

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 2087, 4174, 4655, 9310, 10435, 14609, 20870, 29218, 39653, 73045, 79306, 102263, 146090, 198265, 204526, 277571, 396530, 511315, 555142, 1022630, 1387855, 1942997, 2775710, 3885994, 9714985, 19429970]

約数ペア:

[(1, 19429970), (2, 9714985), (5, 3885994), (7, 2775710), (10, 1942997), (14, 1387855), (19, 1022630), (35, 555142), (38, 511315), (49, 396530), (70, 277571), (95, 204526), (98, 198265), (133, 146090), (190, 102263), (245, 79306), (266, 73045), (490, 39653), (665, 29218), (931, 20870), (1330, 14609), (1862, 10435), (2087, 9310), (4174, 4655)]