199523412

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{18661}}^1$

素因数の和:18691

約数の個数: 72

約数和(自身を含む): 570609312

約数和(自身を除く): 371085900

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 198, 243, 297, 324, 396, 486, 594, 891, 972, 1188, 1782, 2673, 3564, 5346, 10692, 18661, 37322, 55983, 74644, 111966, 167949, 205271, 223932, 335898, 410542, 503847, 615813, 671796, 821084, 1007694, 1231626, 1511541, 1847439, 2015388, 2463252, 3023082, 3694878, 4534623, 5542317, 6046164, 7389756, 9069246, 11084634, 16626951, 18138492, 22169268, 33253902, 49880853, 66507804, 99761706, 199523412]

約数ペア:

[(1, 199523412), (2, 99761706), (3, 66507804), (4, 49880853), (6, 33253902), (9, 22169268), (11, 18138492), (12, 16626951), (18, 11084634), (22, 9069246), (27, 7389756), (33, 6046164), (36, 5542317), (44, 4534623), (54, 3694878), (66, 3023082), (81, 2463252), (99, 2015388), (108, 1847439), (132, 1511541), (162, 1231626), (198, 1007694), (243, 821084), (297, 671796), (324, 615813), (396, 503847), (486, 410542), (594, 335898), (891, 223932), (972, 205271), (1188, 167949), (1782, 111966), (2673, 74644), (3564, 55983), (5346, 37322), (10692, 18661)]