19821720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165181}}^1$

素因数の和:165195

約数の個数: 32

約数和(自身を含む): 59465520

約数和(自身を除く): 39643800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165181, 330362, 495543, 660724, 825905, 991086, 1321448, 1651810, 1982172, 2477715, 3303620, 3964344, 4955430, 6607240, 9910860, 19821720]

約数ペア:

[(1, 19821720), (2, 9910860), (3, 6607240), (4, 4955430), (5, 3964344), (6, 3303620), (8, 2477715), (10, 1982172), (12, 1651810), (15, 1321448), (20, 991086), (24, 825905), (30, 660724), (40, 495543), (60, 330362), (120, 165181)]