18396700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 46809504

約数和(自身を除く): 28412804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 140, 164, 175, 205, 287, 350, 410, 574, 641, 700, 820, 1025, 1148, 1282, 1435, 2050, 2564, 2870, 3205, 4100, 4487, 5740, 6410, 7175, 8974, 12820, 14350, 16025, 17948, 22435, 26281, 28700, 32050, 44870, 52562, 64100, 89740, 105124, 112175, 131405, 183967, 224350, 262810, 367934, 448700, 525620, 657025, 735868, 919835, 1314050, 1839670, 2628100, 3679340, 4599175, 9198350, 18396700]

約数ペア:

[(1, 18396700), (2, 9198350), (4, 4599175), (5, 3679340), (7, 2628100), (10, 1839670), (14, 1314050), (20, 919835), (25, 735868), (28, 657025), (35, 525620), (41, 448700), (50, 367934), (70, 262810), (82, 224350), (100, 183967), (140, 131405), (164, 112175), (175, 105124), (205, 89740), (287, 64100), (350, 52562), (410, 44870), (574, 32050), (641, 28700), (700, 26281), (820, 22435), (1025, 17948), (1148, 16025), (1282, 14350), (1435, 12820), (2050, 8974), (2564, 7175), (2870, 6410), (3205, 5740), (4100, 4487)]