19164483

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 32366880

約数和(自身を除く): 13202397

約数列:

[1, 3, 9, 13, 19, 37, 39, 57, 111, 117, 171, 233, 247, 333, 481, 699, 703, 741, 1443, 2097, 2109, 2223, 3029, 4329, 4427, 6327, 8621, 9087, 9139, 13281, 25863, 27261, 27417, 39843, 57551, 77589, 82251, 112073, 163799, 172653, 336219, 491397, 517959, 1008657, 1474191, 2129387, 6388161, 19164483]

約数ペア:

[(1, 19164483), (3, 6388161), (9, 2129387), (13, 1474191), (19, 1008657), (37, 517959), (39, 491397), (57, 336219), (111, 172653), (117, 163799), (171, 112073), (233, 82251), (247, 77589), (333, 57551), (481, 39843), (699, 27417), (703, 27261), (741, 25863), (1443, 13281), (2097, 9139), (2109, 9087), (2223, 8621), (3029, 6327), (4329, 4427)]