19890252

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4283}}^1$

素因数の和:4339

約数の個数: 48

約数和(自身を含む): 52778880

約数和(自身を除く): 32888628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4283, 4644, 8566, 12849, 17132, 25698, 38547, 51396, 77094, 115641, 154188, 184169, 231282, 368338, 462564, 552507, 736676, 1105014, 1657521, 2210028, 3315042, 4972563, 6630084, 9945126, 19890252]

約数ペア:

[(1, 19890252), (2, 9945126), (3, 6630084), (4, 4972563), (6, 3315042), (9, 2210028), (12, 1657521), (18, 1105014), (27, 736676), (36, 552507), (43, 462564), (54, 368338), (86, 231282), (108, 184169), (129, 154188), (172, 115641), (258, 77094), (387, 51396), (516, 38547), (774, 25698), (1161, 17132), (1548, 12849), (2322, 8566), (4283, 4644)]