19897374

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5323}}^1$

素因数の和:5424

約数の個数: 32

約数和(自身を含む): 45999360

約数和(自身を除く): 26101986

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 178, 267, 534, 623, 1246, 1869, 3738, 5323, 10646, 15969, 31938, 37261, 74522, 111783, 223566, 473747, 947494, 1421241, 2842482, 3316229, 6632458, 9948687, 19897374]

約数ペア:

[(1, 19897374), (2, 9948687), (3, 6632458), (6, 3316229), (7, 2842482), (14, 1421241), (21, 947494), (42, 473747), (89, 223566), (178, 111783), (267, 74522), (534, 37261), (623, 31938), (1246, 15969), (1869, 10646), (3738, 5323)]