18133874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 31458240

約数和(自身を除く): 13324366

約数列:

[1, 2, 11, 22, 29, 43, 58, 86, 319, 473, 638, 661, 946, 1247, 1322, 2494, 7271, 13717, 14542, 19169, 27434, 28423, 38338, 56846, 210859, 312653, 421718, 625306, 824267, 1648534, 9066937, 18133874]

約数ペア:

[(1, 18133874), (2, 9066937), (11, 1648534), (22, 824267), (29, 625306), (43, 421718), (58, 312653), (86, 210859), (319, 56846), (473, 38338), (638, 28423), (661, 27434), (946, 19169), (1247, 14542), (1322, 13717), (2494, 7271)]