19845801

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 29954184

約数和(自身を除く): 10108383

約数列:

[1, 3, 9, 37, 61, 111, 183, 333, 549, 977, 2257, 2931, 6771, 8793, 20313, 36149, 59597, 108447, 178791, 325341, 536373, 2205089, 6615267, 19845801]

約数ペア:

[(1, 19845801), (3, 6615267), (9, 2205089), (37, 536373), (61, 325341), (111, 178791), (183, 108447), (333, 59597), (549, 36149), (977, 20313), (2257, 8793), (2931, 6771)]