18977470694

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^4\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1623

約数の個数: 80

約数和(自身を含む): 36404438016

約数和(自身を除く): 17426967322

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 169, 182, 217, 338, 403, 434, 806, 1183, 1531, 2197, 2366, 2821, 3062, 4394, 5239, 5642, 10478, 10717, 15379, 19903, 21434, 28561, 30758, 36673, 39806, 47461, 57122, 68107, 73346, 94922, 136214, 139321, 199927, 258739, 278642, 332227, 399854, 476749, 517478, 616993, 664454, 885391, 953498, 1233986, 1770782, 1811173, 3363607, 3622346, 4318951, 6197737, 6727214, 8020909, 8637902, 12395474, 16041818, 23545249, 43726891, 47090498, 56146363, 87453782, 104271817, 112292726, 208543634, 306088237, 612176474, 729902719, 1355533621, 1459805438, 2711067242, 9488735347, 18977470694]

約数ペア:

[(1, 18977470694), (2, 9488735347), (7, 2711067242), (13, 1459805438), (14, 1355533621), (26, 729902719), (31, 612176474), (62, 306088237), (91, 208543634), (169, 112292726), (182, 104271817), (217, 87453782), (338, 56146363), (403, 47090498), (434, 43726891), (806, 23545249), (1183, 16041818), (1531, 12395474), (2197, 8637902), (2366, 8020909), (2821, 6727214), (3062, 6197737), (4394, 4318951), (5239, 3622346), (5642, 3363607), (10478, 1811173), (10717, 1770782), (15379, 1233986), (19903, 953498), (21434, 885391), (28561, 664454), (30758, 616993), (36673, 517478), (39806, 476749), (47461, 399854), (57122, 332227), (68107, 278642), (73346, 258739), (94922, 199927), (136214, 139321)]