19542120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12527}}^1$

素因数の和:12554

約数の個数: 64

約数和(自身を含む): 63141120

約数和(自身を除く): 43599000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12527, 25054, 37581, 50108, 62635, 75162, 100216, 125270, 150324, 162851, 187905, 250540, 300648, 325702, 375810, 488553, 501080, 651404, 751620, 814255, 977106, 1302808, 1503240, 1628510, 1954212, 2442765, 3257020, 3908424, 4885530, 6514040, 9771060, 19542120]

約数ペア:

[(1, 19542120), (2, 9771060), (3, 6514040), (4, 4885530), (5, 3908424), (6, 3257020), (8, 2442765), (10, 1954212), (12, 1628510), (13, 1503240), (15, 1302808), (20, 977106), (24, 814255), (26, 751620), (30, 651404), (39, 501080), (40, 488553), (52, 375810), (60, 325702), (65, 300648), (78, 250540), (104, 187905), (120, 162851), (130, 150324), (156, 125270), (195, 100216), (260, 75162), (312, 62635), (390, 50108), (520, 37581), (780, 25054), (1560, 12527)]