19439750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7069}}^1$

素因数の和:7097

約数の個数: 32

約数和(自身を含む): 39705120

約数和(自身を除く): 20265370

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7069, 14138, 35345, 70690, 77759, 155518, 176725, 353450, 388795, 777590, 883625, 1767250, 1943975, 3887950, 9719875, 19439750]

約数ペア:

[(1, 19439750), (2, 9719875), (5, 3887950), (10, 1943975), (11, 1767250), (22, 883625), (25, 777590), (50, 388795), (55, 353450), (110, 176725), (125, 155518), (250, 77759), (275, 70690), (550, 35345), (1375, 14138), (2750, 7069)]