18357780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:529

約数の個数: 96

約数和(自身を含む): 59431680

約数和(自身を除く): 41073900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 218, 327, 401, 420, 436, 545, 654, 763, 802, 1090, 1203, 1308, 1526, 1604, 1635, 2005, 2180, 2289, 2406, 2807, 3052, 3270, 3815, 4010, 4578, 4812, 5614, 6015, 6540, 7630, 8020, 8421, 9156, 11228, 11445, 12030, 14035, 15260, 16842, 22890, 24060, 28070, 33684, 42105, 43709, 45780, 56140, 84210, 87418, 131127, 168420, 174836, 218545, 262254, 305963, 437090, 524508, 611926, 655635, 874180, 917889, 1223852, 1311270, 1529815, 1835778, 2622540, 3059630, 3671556, 4589445, 6119260, 9178890, 18357780]

約数ペア:

[(1, 18357780), (2, 9178890), (3, 6119260), (4, 4589445), (5, 3671556), (6, 3059630), (7, 2622540), (10, 1835778), (12, 1529815), (14, 1311270), (15, 1223852), (20, 917889), (21, 874180), (28, 655635), (30, 611926), (35, 524508), (42, 437090), (60, 305963), (70, 262254), (84, 218545), (105, 174836), (109, 168420), (140, 131127), (210, 87418), (218, 84210), (327, 56140), (401, 45780), (420, 43709), (436, 42105), (545, 33684), (654, 28070), (763, 24060), (802, 22890), (1090, 16842), (1203, 15260), (1308, 14035), (1526, 12030), (1604, 11445), (1635, 11228), (2005, 9156), (2180, 8421), (2289, 8020), (2406, 7630), (2807, 6540), (3052, 6015), (3270, 5614), (3815, 4812), (4010, 4578)]