19977284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6113}}^1$

素因数の和:6179

約数の個数: 24

約数和(自身を含む): 37662240

約数和(自身を除く): 17684956

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 6113, 12226, 24452, 116147, 232294, 262859, 464588, 525718, 1051436, 4994321, 9988642, 19977284]

約数ペア:

[(1, 19977284), (2, 9988642), (4, 4994321), (19, 1051436), (38, 525718), (43, 464588), (76, 262859), (86, 232294), (172, 116147), (817, 24452), (1634, 12226), (3268, 6113)]