19901724

素因数分解:

$2^2\times 3^1\times {\mathrm{167}}^1\times {\mathrm{9931}}^1$

素因数の和:10105

約数の個数: 24

約数和(自身を含む): 46720128

約数和(自身を除く): 26818404

約数列:

[1, 2, 3, 4, 6, 12, 167, 334, 501, 668, 1002, 2004, 9931, 19862, 29793, 39724, 59586, 119172, 1658477, 3316954, 4975431, 6633908, 9950862, 19901724]

約数ペア:

[(1, 19901724), (2, 9950862), (3, 6633908), (4, 4975431), (6, 3316954), (12, 1658477), (167, 119172), (334, 59586), (501, 39724), (668, 29793), (1002, 19862), (2004, 9931)]