18790000

素因数分解:

$2^4\times 5^4\times {\mathrm{1879}}^1$

素因数の和:1907

約数の個数: 50

約数和(自身を含む): 45516680

約数和(自身を除く): 26726680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 1879, 2000, 2500, 3758, 5000, 7516, 9395, 10000, 15032, 18790, 30064, 37580, 46975, 75160, 93950, 150320, 187900, 234875, 375800, 469750, 751600, 939500, 1174375, 1879000, 2348750, 3758000, 4697500, 9395000, 18790000]

約数ペア:

[(1, 18790000), (2, 9395000), (4, 4697500), (5, 3758000), (8, 2348750), (10, 1879000), (16, 1174375), (20, 939500), (25, 751600), (40, 469750), (50, 375800), (80, 234875), (100, 187900), (125, 150320), (200, 93950), (250, 75160), (400, 46975), (500, 37580), (625, 30064), (1000, 18790), (1250, 15032), (1879, 10000), (2000, 9395), (2500, 7516), (3758, 5000)]