18975715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{11897}}^1$

素因数の和:11942

約数の個数: 16

約数和(自身を含む): 25699680

約数和(自身を除く): 6723965

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 11897, 59485, 130867, 345013, 654335, 1725065, 3795143, 18975715]

約数ペア:

[(1, 18975715), (5, 3795143), (11, 1725065), (29, 654335), (55, 345013), (145, 130867), (319, 59485), (1595, 11897)]