19670288

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1531}}^1$

素因数の和:1623

約数の個数: 40

約数和(自身を含む): 42172896

約数和(自身を除く): 22502608

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 1168, 1531, 1606, 3062, 3212, 6124, 6424, 12248, 12848, 16841, 24496, 33682, 67364, 111763, 134728, 223526, 269456, 447052, 894104, 1229393, 1788208, 2458786, 4917572, 9835144, 19670288]

約数ペア:

[(1, 19670288), (2, 9835144), (4, 4917572), (8, 2458786), (11, 1788208), (16, 1229393), (22, 894104), (44, 447052), (73, 269456), (88, 223526), (146, 134728), (176, 111763), (292, 67364), (584, 33682), (803, 24496), (1168, 16841), (1531, 12848), (1606, 12248), (3062, 6424), (3212, 6124)]