19860984

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:682

約数の個数: 128

約数和(自身を含む): 64915200

約数和(自身を除く): 45054216

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 27, 33, 36, 39, 44, 52, 54, 66, 72, 78, 88, 99, 104, 108, 117, 132, 143, 156, 198, 216, 234, 264, 286, 297, 312, 351, 396, 429, 468, 572, 594, 643, 702, 792, 858, 936, 1144, 1188, 1286, 1287, 1404, 1716, 1929, 2376, 2572, 2574, 2808, 3432, 3858, 3861, 5144, 5148, 5787, 7073, 7716, 7722, 8359, 10296, 11574, 14146, 15432, 15444, 16718, 17361, 21219, 23148, 25077, 28292, 30888, 33436, 34722, 42438, 46296, 50154, 56584, 63657, 66872, 69444, 75231, 84876, 91949, 100308, 127314, 138888, 150462, 169752, 183898, 190971, 200616, 225693, 254628, 275847, 300924, 367796, 381942, 451386, 509256, 551694, 601848, 735592, 763884, 827541, 902772, 1103388, 1527768, 1655082, 1805544, 2206776, 2482623, 3310164, 4965246, 6620328, 9930492, 19860984]

約数ペア:

[(1, 19860984), (2, 9930492), (3, 6620328), (4, 4965246), (6, 3310164), (8, 2482623), (9, 2206776), (11, 1805544), (12, 1655082), (13, 1527768), (18, 1103388), (22, 902772), (24, 827541), (26, 763884), (27, 735592), (33, 601848), (36, 551694), (39, 509256), (44, 451386), (52, 381942), (54, 367796), (66, 300924), (72, 275847), (78, 254628), (88, 225693), (99, 200616), (104, 190971), (108, 183898), (117, 169752), (132, 150462), (143, 138888), (156, 127314), (198, 100308), (216, 91949), (234, 84876), (264, 75231), (286, 69444), (297, 66872), (312, 63657), (351, 56584), (396, 50154), (429, 46296), (468, 42438), (572, 34722), (594, 33436), (643, 30888), (702, 28292), (792, 25077), (858, 23148), (936, 21219), (1144, 17361), (1188, 16718), (1286, 15444), (1287, 15432), (1404, 14146), (1716, 11574), (1929, 10296), (2376, 8359), (2572, 7722), (2574, 7716), (2808, 7073), (3432, 5787), (3858, 5148), (3861, 5144)]