19848120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{857}}^1$

素因数の和:1064

約数の個数: 64

約数和(自身を含む): 59922720

約数和(自身を除く): 40074600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 193, 386, 579, 772, 857, 965, 1158, 1544, 1714, 1930, 2316, 2571, 2895, 3428, 3860, 4285, 4632, 5142, 5790, 6856, 7720, 8570, 10284, 11580, 12855, 17140, 20568, 23160, 25710, 34280, 51420, 102840, 165401, 330802, 496203, 661604, 827005, 992406, 1323208, 1654010, 1984812, 2481015, 3308020, 3969624, 4962030, 6616040, 9924060, 19848120]

約数ペア:

[(1, 19848120), (2, 9924060), (3, 6616040), (4, 4962030), (5, 3969624), (6, 3308020), (8, 2481015), (10, 1984812), (12, 1654010), (15, 1323208), (20, 992406), (24, 827005), (30, 661604), (40, 496203), (60, 330802), (120, 165401), (193, 102840), (386, 51420), (579, 34280), (772, 25710), (857, 23160), (965, 20568), (1158, 17140), (1544, 12855), (1714, 11580), (1930, 10284), (2316, 8570), (2571, 7720), (2895, 6856), (3428, 5790), (3860, 5142), (4285, 4632)]