18732679880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{271}}^1\times {\mathrm{4787}}^1$

素因数の和:5107

約数の個数: 96

約数和(自身を含む): 44657101440

約数和(自身を除く): 25924421560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 271, 361, 380, 542, 722, 760, 1084, 1355, 1444, 1805, 2168, 2710, 2888, 3610, 4787, 5149, 5420, 7220, 9574, 10298, 10840, 14440, 19148, 20596, 23935, 25745, 38296, 41192, 47870, 51490, 90953, 95740, 97831, 102980, 181906, 191480, 195662, 205960, 363812, 391324, 454765, 489155, 727624, 782648, 909530, 978310, 1297277, 1728107, 1819060, 1956620, 2594554, 3456214, 3638120, 3913240, 5189108, 6486385, 6912428, 8640535, 10378216, 12972770, 13824856, 17281070, 24648263, 25945540, 34562140, 49296526, 51891080, 69124280, 98593052, 123241315, 197186104, 246482630, 468316997, 492965260, 936633994, 985930520, 1873267988, 2341584985, 3746535976, 4683169970, 9366339940, 18732679880]

約数ペア:

[(1, 18732679880), (2, 9366339940), (4, 4683169970), (5, 3746535976), (8, 2341584985), (10, 1873267988), (19, 985930520), (20, 936633994), (38, 492965260), (40, 468316997), (76, 246482630), (95, 197186104), (152, 123241315), (190, 98593052), (271, 69124280), (361, 51891080), (380, 49296526), (542, 34562140), (722, 25945540), (760, 24648263), (1084, 17281070), (1355, 13824856), (1444, 12972770), (1805, 10378216), (2168, 8640535), (2710, 6912428), (2888, 6486385), (3610, 5189108), (4787, 3913240), (5149, 3638120), (5420, 3456214), (7220, 2594554), (9574, 1956620), (10298, 1819060), (10840, 1728107), (14440, 1297277), (19148, 978310), (20596, 909530), (23935, 782648), (25745, 727624), (38296, 489155), (41192, 454765), (47870, 391324), (51490, 363812), (90953, 205960), (95740, 195662), (97831, 191480), (102980, 181906)]