19839720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165331}}^1$

素因数の和:165345

約数の個数: 32

約数和(自身を含む): 59519520

約数和(自身を除く): 39679800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165331, 330662, 495993, 661324, 826655, 991986, 1322648, 1653310, 1983972, 2479965, 3306620, 3967944, 4959930, 6613240, 9919860, 19839720]

約数ペア:

[(1, 19839720), (2, 9919860), (3, 6613240), (4, 4959930), (5, 3967944), (6, 3306620), (8, 2479965), (10, 1983972), (12, 1653310), (15, 1322648), (20, 991986), (24, 826655), (30, 661324), (40, 495993), (60, 330662), (120, 165331)]