19747982

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8669}}^1$

素因数の和:8755

約数の個数: 16

約数和(自身を含む): 31836240

約数和(自身を除く): 12088258

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 8669, 17338, 147373, 294746, 580823, 1161646, 9873991, 19747982]

約数ペア:

[(1, 19747982), (2, 9873991), (17, 1161646), (34, 580823), (67, 294746), (134, 147373), (1139, 17338), (2278, 8669)]