19936947

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 28803600

約数和(自身を除く): 8866653

約数列:

[1, 3, 19, 41, 57, 123, 361, 449, 779, 1083, 1347, 2337, 8531, 14801, 18409, 25593, 44403, 55227, 162089, 349771, 486267, 1049313, 6645649, 19936947]

約数ペア:

[(1, 19936947), (3, 6645649), (19, 1049313), (41, 486267), (57, 349771), (123, 162089), (361, 55227), (449, 44403), (779, 25593), (1083, 18409), (1347, 14801), (2337, 8531)]