19510361388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{3881}}^1\times {\mathrm{19949}}^1$

素因数の和:23847

約数の個数: 72

約数和(自身を含む): 56380615200

約数和(自身を除く): 36870253812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 3881, 7762, 11643, 15524, 19949, 23286, 27167, 34929, 39898, 46572, 54334, 59847, 69858, 79796, 81501, 108668, 119694, 139643, 139716, 163002, 179541, 239388, 244503, 279286, 326004, 359082, 418929, 489006, 558572, 718164, 837858, 978012, 1256787, 1675716, 2513574, 5027148, 77422069, 154844138, 232266207, 309688276, 464532414, 541954483, 696798621, 929064828, 1083908966, 1393597242, 1625863449, 2167817932, 2787194484, 3251726898, 4877590347, 6503453796, 9755180694, 19510361388]

約数ペア:

[(1, 19510361388), (2, 9755180694), (3, 6503453796), (4, 4877590347), (6, 3251726898), (7, 2787194484), (9, 2167817932), (12, 1625863449), (14, 1393597242), (18, 1083908966), (21, 929064828), (28, 696798621), (36, 541954483), (42, 464532414), (63, 309688276), (84, 232266207), (126, 154844138), (252, 77422069), (3881, 5027148), (7762, 2513574), (11643, 1675716), (15524, 1256787), (19949, 978012), (23286, 837858), (27167, 718164), (34929, 558572), (39898, 489006), (46572, 418929), (54334, 359082), (59847, 326004), (69858, 279286), (79796, 244503), (81501, 239388), (108668, 179541), (119694, 163002), (139643, 139716)]