18511623

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 31370976

約数和(自身を除く): 12859353

約数列:

[1, 3, 9, 13, 17, 39, 41, 51, 117, 123, 153, 221, 227, 369, 533, 663, 681, 697, 1599, 1989, 2043, 2091, 2951, 3859, 4797, 6273, 8853, 9061, 9307, 11577, 26559, 27183, 27921, 34731, 50167, 81549, 83763, 120991, 150501, 158219, 362973, 451503, 474657, 1088919, 1423971, 2056847, 6170541, 18511623]

約数ペア:

[(1, 18511623), (3, 6170541), (9, 2056847), (13, 1423971), (17, 1088919), (39, 474657), (41, 451503), (51, 362973), (117, 158219), (123, 150501), (153, 120991), (221, 83763), (227, 81549), (369, 50167), (533, 34731), (663, 27921), (681, 27183), (697, 26559), (1599, 11577), (1989, 9307), (2043, 9061), (2091, 8853), (2951, 6273), (3859, 4797)]