18792690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:947

約数の個数: 64

約数和(自身を含む): 52081920

約数和(自身を除く): 33289230

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 109, 210, 218, 327, 545, 654, 763, 821, 1090, 1526, 1635, 1642, 2289, 2463, 3270, 3815, 4105, 4578, 4926, 5747, 7630, 8210, 11445, 11494, 12315, 17241, 22890, 24630, 28735, 34482, 57470, 86205, 89489, 172410, 178978, 268467, 447445, 536934, 626423, 894890, 1252846, 1342335, 1879269, 2684670, 3132115, 3758538, 6264230, 9396345, 18792690]

約数ペア:

[(1, 18792690), (2, 9396345), (3, 6264230), (5, 3758538), (6, 3132115), (7, 2684670), (10, 1879269), (14, 1342335), (15, 1252846), (21, 894890), (30, 626423), (35, 536934), (42, 447445), (70, 268467), (105, 178978), (109, 172410), (210, 89489), (218, 86205), (327, 57470), (545, 34482), (654, 28735), (763, 24630), (821, 22890), (1090, 17241), (1526, 12315), (1635, 11494), (1642, 11445), (2289, 8210), (2463, 7630), (3270, 5747), (3815, 4926), (4105, 4578)]