19412080

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1453}}^1$

素因数の和:1633

約数の個数: 40

約数和(自身を含む): 45434592

約数和(自身を除く): 26022512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1453, 1670, 2672, 2906, 3340, 5812, 6680, 7265, 11624, 13360, 14530, 23248, 29060, 58120, 116240, 242651, 485302, 970604, 1213255, 1941208, 2426510, 3882416, 4853020, 9706040, 19412080]

約数ペア:

[(1, 19412080), (2, 9706040), (4, 4853020), (5, 3882416), (8, 2426510), (10, 1941208), (16, 1213255), (20, 970604), (40, 485302), (80, 242651), (167, 116240), (334, 58120), (668, 29060), (835, 23248), (1336, 14530), (1453, 13360), (1670, 11624), (2672, 7265), (2906, 6680), (3340, 5812)]