18789303

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 28728000

約数和(自身を除く): 9938697

約数列:

[1, 3, 13, 29, 37, 39, 87, 111, 377, 449, 481, 1073, 1131, 1347, 1443, 3219, 5837, 13021, 13949, 16613, 17511, 39063, 41847, 49839, 169273, 215969, 481777, 507819, 647907, 1445331, 6263101, 18789303]

約数ペア:

[(1, 18789303), (3, 6263101), (13, 1445331), (29, 647907), (37, 507819), (39, 481777), (87, 215969), (111, 169273), (377, 49839), (449, 41847), (481, 39063), (1073, 17511), (1131, 16613), (1347, 13949), (1443, 13021), (3219, 5837)]