19995795

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2029}}^1$

素因数の和:2116

約数の個数: 32

約数和(自身を含む): 36052800

約数和(自身を除く): 16057005

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1971, 2029, 3285, 6087, 9855, 10145, 18261, 30435, 54783, 91305, 148117, 273915, 444351, 740585, 1333053, 2221755, 3999159, 6665265, 19995795]

約数ペア:

[(1, 19995795), (3, 6665265), (5, 3999159), (9, 2221755), (15, 1333053), (27, 740585), (45, 444351), (73, 273915), (135, 148117), (219, 91305), (365, 54783), (657, 30435), (1095, 18261), (1971, 10145), (2029, 9855), (3285, 6087)]