19665045

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5023}}^1$

素因数の和:5066

約数の個数: 32

約数和(自身を含む): 36172800

約数和(自身を除く): 16507755

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 5023, 15069, 25115, 45207, 75345, 135621, 145667, 226035, 437001, 678105, 728335, 1311003, 2185005, 3933009, 6555015, 19665045]

約数ペア:

[(1, 19665045), (3, 6555015), (5, 3933009), (9, 2185005), (15, 1311003), (27, 728335), (29, 678105), (45, 437001), (87, 226035), (135, 145667), (145, 135621), (261, 75345), (435, 45207), (783, 25115), (1305, 15069), (3915, 5023)]