19662400

素因数分解:

$2^6\times 5^2\times {\mathrm{12289}}^1$

素因数の和:12311

約数の個数: 42

約数和(自身を含む): 48385730

約数和(自身を除く): 28723330

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12289, 24578, 49156, 61445, 98312, 122890, 196624, 245780, 307225, 393248, 491560, 614450, 786496, 983120, 1228900, 1966240, 2457800, 3932480, 4915600, 9831200, 19662400]

約数ペア:

[(1, 19662400), (2, 9831200), (4, 4915600), (5, 3932480), (8, 2457800), (10, 1966240), (16, 1228900), (20, 983120), (25, 786496), (32, 614450), (40, 491560), (50, 393248), (64, 307225), (80, 245780), (100, 196624), (160, 122890), (200, 98312), (320, 61445), (400, 49156), (800, 24578), (1600, 12289)]