19949220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{36943}}^1$

素因数の和:36961

約数の個数: 48

約数和(自身を含む): 62065920

約数和(自身を除く): 42116700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 36943, 73886, 110829, 147772, 184715, 221658, 332487, 369430, 443316, 554145, 664974, 738860, 997461, 1108290, 1329948, 1662435, 1994922, 2216580, 3324870, 3989844, 4987305, 6649740, 9974610, 19949220]

約数ペア:

[(1, 19949220), (2, 9974610), (3, 6649740), (4, 4987305), (5, 3989844), (6, 3324870), (9, 2216580), (10, 1994922), (12, 1662435), (15, 1329948), (18, 1108290), (20, 997461), (27, 738860), (30, 664974), (36, 554145), (45, 443316), (54, 369430), (60, 332487), (90, 221658), (108, 184715), (135, 147772), (180, 110829), (270, 73886), (540, 36943)]