2011993809

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1553}}^1$

素因数の和:1790

約数の個数: 64

約数和(自身を含む): 3437199360

約数和(自身を除く): 1425205551

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 191, 323, 357, 399, 573, 969, 1337, 1553, 2261, 3247, 3629, 4011, 4659, 6783, 9741, 10871, 10887, 22729, 25403, 26401, 29507, 32613, 61693, 68187, 76209, 79203, 88521, 184807, 185079, 206549, 296623, 431851, 501619, 554421, 619647, 889869, 1295553, 1504857, 2076361, 3511333, 5042591, 5635837, 6229083, 10533999, 15127773, 16907511, 35298137, 39450859, 95809229, 105894411, 118352577, 287427687, 670664603, 2011993809]

約数ペア:

[(1, 2011993809), (3, 670664603), (7, 287427687), (17, 118352577), (19, 105894411), (21, 95809229), (51, 39450859), (57, 35298137), (119, 16907511), (133, 15127773), (191, 10533999), (323, 6229083), (357, 5635837), (399, 5042591), (573, 3511333), (969, 2076361), (1337, 1504857), (1553, 1295553), (2261, 889869), (3247, 619647), (3629, 554421), (4011, 501619), (4659, 431851), (6783, 296623), (9741, 206549), (10871, 185079), (10887, 184807), (22729, 88521), (25403, 79203), (26401, 76209), (29507, 68187), (32613, 61693)]