18793120

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1609}}^1$

素因数の和:1697

約数の個数: 48

約数和(自身を含む): 45034920

約数和(自身を除く): 26241800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 1609, 2336, 2920, 3218, 5840, 6436, 8045, 11680, 12872, 16090, 25744, 32180, 51488, 64360, 117457, 128720, 234914, 257440, 469828, 587285, 939656, 1174570, 1879312, 2349140, 3758624, 4698280, 9396560, 18793120]

約数ペア:

[(1, 18793120), (2, 9396560), (4, 4698280), (5, 3758624), (8, 2349140), (10, 1879312), (16, 1174570), (20, 939656), (32, 587285), (40, 469828), (73, 257440), (80, 234914), (146, 128720), (160, 117457), (292, 64360), (365, 51488), (584, 32180), (730, 25744), (1168, 16090), (1460, 12872), (1609, 11680), (2336, 8045), (2920, 6436), (3218, 5840)]