19761780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1039}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 55560960

約数和(自身を除く): 35799180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 1039, 1268, 1585, 1902, 2078, 3117, 3170, 3804, 4156, 4755, 5195, 6234, 6340, 9510, 10390, 12468, 15585, 19020, 20780, 31170, 62340, 329363, 658726, 988089, 1317452, 1646815, 1976178, 3293630, 3952356, 4940445, 6587260, 9880890, 19761780]

約数ペア:

[(1, 19761780), (2, 9880890), (3, 6587260), (4, 4940445), (5, 3952356), (6, 3293630), (10, 1976178), (12, 1646815), (15, 1317452), (20, 988089), (30, 658726), (60, 329363), (317, 62340), (634, 31170), (951, 20780), (1039, 19020), (1268, 15585), (1585, 12468), (1902, 10390), (2078, 9510), (3117, 6340), (3170, 6234), (3804, 5195), (4156, 4755)]