18545645

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1619}}^1$

素因数の和:1732

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 4782355

約数列:

[1, 5, 29, 79, 145, 395, 1619, 2291, 8095, 11455, 46951, 127901, 234755, 639505, 3709129, 18545645]

約数ペア:

[(1, 18545645), (5, 3709129), (29, 639505), (79, 234755), (145, 127901), (395, 46951), (1619, 11455), (2291, 8095)]