18506460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 59834880

約数和(自身を除く): 41328420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 278, 317, 417, 420, 556, 634, 695, 834, 951, 973, 1268, 1390, 1585, 1668, 1902, 1946, 2085, 2219, 2780, 2919, 3170, 3804, 3892, 4170, 4438, 4755, 4865, 5838, 6340, 6657, 8340, 8876, 9510, 9730, 11095, 11676, 13314, 14595, 19020, 19460, 22190, 26628, 29190, 33285, 44063, 44380, 58380, 66570, 88126, 132189, 133140, 176252, 220315, 264378, 308441, 440630, 528756, 616882, 660945, 881260, 925323, 1233764, 1321890, 1542205, 1850646, 2643780, 3084410, 3701292, 4626615, 6168820, 9253230, 18506460]

約数ペア:

[(1, 18506460), (2, 9253230), (3, 6168820), (4, 4626615), (5, 3701292), (6, 3084410), (7, 2643780), (10, 1850646), (12, 1542205), (14, 1321890), (15, 1233764), (20, 925323), (21, 881260), (28, 660945), (30, 616882), (35, 528756), (42, 440630), (60, 308441), (70, 264378), (84, 220315), (105, 176252), (139, 133140), (140, 132189), (210, 88126), (278, 66570), (317, 58380), (417, 44380), (420, 44063), (556, 33285), (634, 29190), (695, 26628), (834, 22190), (951, 19460), (973, 19020), (1268, 14595), (1390, 13314), (1585, 11676), (1668, 11095), (1902, 9730), (1946, 9510), (2085, 8876), (2219, 8340), (2780, 6657), (2919, 6340), (3170, 5838), (3804, 4865), (3892, 4755), (4170, 4438)]