18780284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{8521}}^1$

素因数の和:8573

約数の個数: 24

約数和(自身を含む): 35792400

約数和(自身を除く): 17012116

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 8521, 17042, 34084, 161899, 247109, 323798, 494218, 647596, 988436, 4695071, 9390142, 18780284]

約数ペア:

[(1, 18780284), (2, 9390142), (4, 4695071), (19, 988436), (29, 647596), (38, 494218), (58, 323798), (76, 247109), (116, 161899), (551, 34084), (1102, 17042), (2204, 8521)]