19005111

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:317

約数の個数: 40

約数和(自身を含む): 30579120

約数和(自身を除く): 11574009

約数列:

[1, 3, 9, 19, 27, 53, 57, 81, 159, 171, 233, 477, 513, 699, 1007, 1431, 1539, 2097, 3021, 4293, 4427, 6291, 9063, 12349, 13281, 18873, 27189, 37047, 39843, 81567, 111141, 119529, 234631, 333423, 358587, 703893, 1000269, 2111679, 6335037, 19005111]

約数ペア:

[(1, 19005111), (3, 6335037), (9, 2111679), (19, 1000269), (27, 703893), (53, 358587), (57, 333423), (81, 234631), (159, 119529), (171, 111141), (233, 81567), (477, 39843), (513, 37047), (699, 27189), (1007, 18873), (1431, 13281), (1539, 12349), (2097, 9063), (3021, 6291), (4293, 4427)]