18919628

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51977}}^1$

素因数の和:52001

約数の個数: 24

約数和(自身を含む): 40750752

約数和(自身を除く): 21831124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 51977, 103954, 207908, 363839, 675701, 727678, 1351402, 1455356, 2702804, 4729907, 9459814, 18919628]

約数ペア:

[(1, 18919628), (2, 9459814), (4, 4729907), (7, 2702804), (13, 1455356), (14, 1351402), (26, 727678), (28, 675701), (52, 363839), (91, 207908), (182, 103954), (364, 51977)]