19172000

素因数分解:

$2^5\times 5^3\times {\mathrm{4793}}^1$

素因数の和:4818

約数の個数: 48

約数和(自身を含む): 47115432

約数和(自身を除く): 27943432

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, 4793, 9586, 19172, 23965, 38344, 47930, 76688, 95860, 119825, 153376, 191720, 239650, 383440, 479300, 599125, 766880, 958600, 1198250, 1917200, 2396500, 3834400, 4793000, 9586000, 19172000]

約数ペア:

[(1, 19172000), (2, 9586000), (4, 4793000), (5, 3834400), (8, 2396500), (10, 1917200), (16, 1198250), (20, 958600), (25, 766880), (32, 599125), (40, 479300), (50, 383440), (80, 239650), (100, 191720), (125, 153376), (160, 119825), (200, 95860), (250, 76688), (400, 47930), (500, 38344), (800, 23965), (1000, 19172), (2000, 9586), (4000, 4793)]