19512420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1039}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 54862080

約数和(自身を除く): 35349660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313, 626, 939, 1039, 1252, 1565, 1878, 2078, 3117, 3130, 3756, 4156, 4695, 5195, 6234, 6260, 9390, 10390, 12468, 15585, 18780, 20780, 31170, 62340, 325207, 650414, 975621, 1300828, 1626035, 1951242, 3252070, 3902484, 4878105, 6504140, 9756210, 19512420]

約数ペア:

[(1, 19512420), (2, 9756210), (3, 6504140), (4, 4878105), (5, 3902484), (6, 3252070), (10, 1951242), (12, 1626035), (15, 1300828), (20, 975621), (30, 650414), (60, 325207), (313, 62340), (626, 31170), (939, 20780), (1039, 18780), (1252, 15585), (1565, 12468), (1878, 10390), (2078, 9390), (3117, 6260), (3130, 6234), (3756, 5195), (4156, 4695)]