19144880

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1433}}^1$

素因数の和:1613

約数の個数: 40

約数和(自身を含む): 44809632

約数和(自身を除く): 25664752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1433, 1670, 2672, 2866, 3340, 5732, 6680, 7165, 11464, 13360, 14330, 22928, 28660, 57320, 114640, 239311, 478622, 957244, 1196555, 1914488, 2393110, 3828976, 4786220, 9572440, 19144880]

約数ペア:

[(1, 19144880), (2, 9572440), (4, 4786220), (5, 3828976), (8, 2393110), (10, 1914488), (16, 1196555), (20, 957244), (40, 478622), (80, 239311), (167, 114640), (334, 57320), (668, 28660), (835, 22928), (1336, 14330), (1433, 13360), (1670, 11464), (2672, 7165), (2866, 6680), (3340, 5732)]