19156000

素因数分解:

$2^5\times 5^3\times {\mathrm{4789}}^1$

素因数の和:4814

約数の個数: 48

約数和(自身を含む): 47076120

約数和(自身を除く): 27920120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 4789, 9578, 19156, 23945, 38312, 47890, 76624, 95780, 119725, 153248, 191560, 239450, 383120, 478900, 598625, 766240, 957800, 1197250, 1915600, 2394500, 3831200, 4789000, 9578000, 19156000]

約数ペア:

[(1, 19156000), (2, 9578000), (4, 4789000), (5, 3831200), (8, 2394500), (10, 1915600), (16, 1197250), (20, 957800), (25, 766240), (32, 598625), (40, 478900), (50, 383120), (80, 239450), (100, 191560), (125, 153248), (160, 119725), (200, 95780), (250, 76624), (400, 47890), (500, 38312), (800, 23945), (1000, 19156), (2000, 9578), (4000, 4789)]