19863130

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5791}}^1$

素因数の和:5819

約数の個数: 32

約数和(自身を含む): 41702400

約数和(自身を除く): 21839270

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5791, 11582, 28955, 40537, 57910, 81074, 202685, 283759, 405370, 567518, 1418795, 1986313, 2837590, 3972626, 9931565, 19863130]

約数ペア:

[(1, 19863130), (2, 9931565), (5, 3972626), (7, 2837590), (10, 1986313), (14, 1418795), (35, 567518), (49, 405370), (70, 283759), (98, 202685), (245, 81074), (343, 57910), (490, 40537), (686, 28955), (1715, 11582), (3430, 5791)]