19638472

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2677}}^1$

素因数の和:2821

約数の個数: 32

約数和(自身を含む): 42419520

約数和(自身を除く): 22781048

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 2677, 3668, 5354, 7336, 10708, 18739, 21416, 37478, 74956, 149912, 350687, 701374, 1402748, 2454809, 2805496, 4909618, 9819236, 19638472]

約数ペア:

[(1, 19638472), (2, 9819236), (4, 4909618), (7, 2805496), (8, 2454809), (14, 1402748), (28, 701374), (56, 350687), (131, 149912), (262, 74956), (524, 37478), (917, 21416), (1048, 18739), (1834, 10708), (2677, 7336), (3668, 5354)]