19995165

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19319}}^1$

素因数の和:19353

約数の個数: 24

約数和(自身を含む): 36167040

約数和(自身を除く): 16171875

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19319, 57957, 96595, 173871, 289785, 444337, 869355, 1333011, 2221685, 3999033, 6665055, 19995165]

約数ペア:

[(1, 19995165), (3, 6665055), (5, 3999033), (9, 2221685), (15, 1333011), (23, 869355), (45, 444337), (69, 289785), (115, 173871), (207, 96595), (345, 57957), (1035, 19319)]