19554760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 47142000

約数和(自身を除く): 27587240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 193, 298, 340, 386, 596, 680, 745, 772, 965, 1192, 1490, 1544, 1930, 2533, 2980, 3281, 3860, 5066, 5960, 6562, 7720, 10132, 12665, 13124, 16405, 20264, 25330, 26248, 28757, 32810, 50660, 57514, 65620, 101320, 115028, 131240, 143785, 230056, 287570, 488869, 575140, 977738, 1150280, 1955476, 2444345, 3910952, 4888690, 9777380, 19554760]

約数ペア:

[(1, 19554760), (2, 9777380), (4, 4888690), (5, 3910952), (8, 2444345), (10, 1955476), (17, 1150280), (20, 977738), (34, 575140), (40, 488869), (68, 287570), (85, 230056), (136, 143785), (149, 131240), (170, 115028), (193, 101320), (298, 65620), (340, 57514), (386, 50660), (596, 32810), (680, 28757), (745, 26248), (772, 25330), (965, 20264), (1192, 16405), (1490, 13124), (1544, 12665), (1930, 10132), (2533, 7720), (2980, 6562), (3281, 5960), (3860, 5066)]