19691320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44753}}^1$

素因数の和:44775

約数の個数: 32

約数和(自身を含む): 48334320

約数和(自身を除く): 28643000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44753, 89506, 179012, 223765, 358024, 447530, 492283, 895060, 984566, 1790120, 1969132, 2461415, 3938264, 4922830, 9845660, 19691320]

約数ペア:

[(1, 19691320), (2, 9845660), (4, 4922830), (5, 3938264), (8, 2461415), (10, 1969132), (11, 1790120), (20, 984566), (22, 895060), (40, 492283), (44, 447530), (55, 358024), (88, 223765), (110, 179012), (220, 89506), (440, 44753)]