20171994651

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1\times {\mathrm{601}}^1$

素因数の和:938

約数の個数: 80

約数和(自身を含む): 32219473440

約数和(自身を除く): 12047478789

約数列:

[1, 3, 9, 19, 27, 57, 81, 113, 171, 193, 339, 513, 579, 601, 1017, 1539, 1737, 1803, 2147, 3051, 3667, 5211, 5409, 6441, 9153, 11001, 11419, 15633, 16227, 19323, 21809, 33003, 34257, 48681, 57969, 65427, 67913, 99009, 102771, 115993, 173907, 196281, 203739, 297027, 308313, 347979, 414371, 588843, 611217, 924939, 1043937, 1243113, 1290347, 1766529, 1833651, 2203867, 3131811, 3729339, 3871041, 5500953, 6611601, 9395433, 11188017, 11613123, 13107209, 19834803, 33564051, 34839369, 39321627, 59504409, 104518107, 117964881, 178513227, 249036971, 353894643, 747110913, 1061683929, 2241332739, 6723998217, 20171994651]

約数ペア:

[(1, 20171994651), (3, 6723998217), (9, 2241332739), (19, 1061683929), (27, 747110913), (57, 353894643), (81, 249036971), (113, 178513227), (171, 117964881), (193, 104518107), (339, 59504409), (513, 39321627), (579, 34839369), (601, 33564051), (1017, 19834803), (1539, 13107209), (1737, 11613123), (1803, 11188017), (2147, 9395433), (3051, 6611601), (3667, 5500953), (5211, 3871041), (5409, 3729339), (6441, 3131811), (9153, 2203867), (11001, 1833651), (11419, 1766529), (15633, 1290347), (16227, 1243113), (19323, 1043937), (21809, 924939), (33003, 611217), (34257, 588843), (48681, 414371), (57969, 347979), (65427, 308313), (67913, 297027), (99009, 203739), (102771, 196281), (115993, 173907)]