18971956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2333}}^1$

素因数の和:2463

約数の個数: 24

約数和(自身を含む): 35290080

約数和(自身を除く): 16318124

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 2333, 4066, 4666, 8132, 9332, 44327, 88654, 177308, 249631, 499262, 998524, 4742989, 9485978, 18971956]

約数ペア:

[(1, 18971956), (2, 9485978), (4, 4742989), (19, 998524), (38, 499262), (76, 249631), (107, 177308), (214, 88654), (428, 44327), (2033, 9332), (2333, 8132), (4066, 4666)]