19321760

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{613}}^1$

素因数の和:825

約数の個数: 48

約数和(自身を含む): 45954216

約数和(自身を除く): 26632456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 613, 788, 985, 1226, 1576, 1970, 2452, 3065, 3152, 3940, 4904, 6130, 6304, 7880, 9808, 12260, 15760, 19616, 24520, 31520, 49040, 98080, 120761, 241522, 483044, 603805, 966088, 1207610, 1932176, 2415220, 3864352, 4830440, 9660880, 19321760]

約数ペア:

[(1, 19321760), (2, 9660880), (4, 4830440), (5, 3864352), (8, 2415220), (10, 1932176), (16, 1207610), (20, 966088), (32, 603805), (40, 483044), (80, 241522), (160, 120761), (197, 98080), (394, 49040), (613, 31520), (788, 24520), (985, 19616), (1226, 15760), (1576, 12260), (1970, 9808), (2452, 7880), (3065, 6304), (3152, 6130), (3940, 4904)]