19854252

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 55250832

約数和(自身を除く): 35396580

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 181, 198, 277, 362, 396, 543, 554, 724, 831, 1086, 1108, 1629, 1662, 1991, 2172, 2493, 3047, 3258, 3324, 3982, 4986, 5973, 6094, 6516, 7964, 9141, 9972, 11946, 12188, 17919, 18282, 23892, 27423, 35838, 36564, 50137, 54846, 71676, 100274, 109692, 150411, 200548, 300822, 451233, 551507, 601644, 902466, 1103014, 1654521, 1804932, 2206028, 3309042, 4963563, 6618084, 9927126, 19854252]

約数ペア:

[(1, 19854252), (2, 9927126), (3, 6618084), (4, 4963563), (6, 3309042), (9, 2206028), (11, 1804932), (12, 1654521), (18, 1103014), (22, 902466), (33, 601644), (36, 551507), (44, 451233), (66, 300822), (99, 200548), (132, 150411), (181, 109692), (198, 100274), (277, 71676), (362, 54846), (396, 50137), (543, 36564), (554, 35838), (724, 27423), (831, 23892), (1086, 18282), (1108, 17919), (1629, 12188), (1662, 11946), (1991, 9972), (2172, 9141), (2493, 7964), (3047, 6516), (3258, 6094), (3324, 5973), (3982, 4986)]