19997670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{787}}^1$

素因数の和:826

約数の個数: 96

約数和(自身を含む): 60367104

約数和(自身を除く): 40369434

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 121, 154, 165, 210, 231, 242, 330, 363, 385, 462, 605, 726, 770, 787, 847, 1155, 1210, 1574, 1694, 1815, 2310, 2361, 2541, 3630, 3935, 4235, 4722, 5082, 5509, 7870, 8470, 8657, 11018, 11805, 12705, 16527, 17314, 23610, 25410, 25971, 27545, 33054, 43285, 51942, 55090, 60599, 82635, 86570, 95227, 121198, 129855, 165270, 181797, 190454, 259710, 285681, 302995, 363594, 476135, 571362, 605990, 666589, 908985, 952270, 1333178, 1428405, 1817970, 1999767, 2856810, 3332945, 3999534, 6665890, 9998835, 19997670]

約数ペア:

[(1, 19997670), (2, 9998835), (3, 6665890), (5, 3999534), (6, 3332945), (7, 2856810), (10, 1999767), (11, 1817970), (14, 1428405), (15, 1333178), (21, 952270), (22, 908985), (30, 666589), (33, 605990), (35, 571362), (42, 476135), (55, 363594), (66, 302995), (70, 285681), (77, 259710), (105, 190454), (110, 181797), (121, 165270), (154, 129855), (165, 121198), (210, 95227), (231, 86570), (242, 82635), (330, 60599), (363, 55090), (385, 51942), (462, 43285), (605, 33054), (726, 27545), (770, 25971), (787, 25410), (847, 23610), (1155, 17314), (1210, 16527), (1574, 12705), (1694, 11805), (1815, 11018), (2310, 8657), (2361, 8470), (2541, 7870), (3630, 5509), (3935, 5082), (4235, 4722)]