18920238

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 23415762

約数列:

[1, 2, 3, 6, 19, 29, 38, 57, 58, 59, 87, 97, 114, 118, 174, 177, 194, 291, 354, 551, 582, 1102, 1121, 1653, 1711, 1843, 2242, 2813, 3306, 3363, 3422, 3686, 5133, 5529, 5626, 5723, 6726, 8439, 10266, 11058, 11446, 16878, 17169, 32509, 34338, 53447, 65018, 97527, 106894, 108737, 160341, 165967, 195054, 217474, 320682, 326211, 331934, 497901, 652422, 995802, 3153373, 6306746, 9460119, 18920238]

約数ペア:

[(1, 18920238), (2, 9460119), (3, 6306746), (6, 3153373), (19, 995802), (29, 652422), (38, 497901), (57, 331934), (58, 326211), (59, 320682), (87, 217474), (97, 195054), (114, 165967), (118, 160341), (174, 108737), (177, 106894), (194, 97527), (291, 65018), (354, 53447), (551, 34338), (582, 32509), (1102, 17169), (1121, 16878), (1653, 11446), (1711, 11058), (1843, 10266), (2242, 8439), (2813, 6726), (3306, 5723), (3363, 5626), (3422, 5529), (3686, 5133)]