19602780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1367}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 35554980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1367, 1434, 2390, 2734, 2868, 3585, 4101, 4780, 5468, 6835, 7170, 8202, 13670, 14340, 16404, 20505, 27340, 41010, 82020, 326713, 653426, 980139, 1306852, 1633565, 1960278, 3267130, 3920556, 4900695, 6534260, 9801390, 19602780]

約数ペア:

[(1, 19602780), (2, 9801390), (3, 6534260), (4, 4900695), (5, 3920556), (6, 3267130), (10, 1960278), (12, 1633565), (15, 1306852), (20, 980139), (30, 653426), (60, 326713), (239, 82020), (478, 41010), (717, 27340), (956, 20505), (1195, 16404), (1367, 14340), (1434, 13670), (2390, 8202), (2734, 7170), (2868, 6835), (3585, 5468), (4101, 4780)]