19452250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 40435200

約数和(自身を除く): 20982950

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 125, 170, 199, 230, 250, 391, 398, 425, 575, 782, 850, 995, 1150, 1955, 1990, 2125, 2875, 3383, 3910, 4250, 4577, 4975, 5750, 6766, 9154, 9775, 9950, 16915, 19550, 22885, 24875, 33830, 45770, 48875, 49750, 77809, 84575, 97750, 114425, 155618, 169150, 228850, 389045, 422875, 572125, 778090, 845750, 1144250, 1945225, 3890450, 9726125, 19452250]

約数ペア:

[(1, 19452250), (2, 9726125), (5, 3890450), (10, 1945225), (17, 1144250), (23, 845750), (25, 778090), (34, 572125), (46, 422875), (50, 389045), (85, 228850), (115, 169150), (125, 155618), (170, 114425), (199, 97750), (230, 84575), (250, 77809), (391, 49750), (398, 48875), (425, 45770), (575, 33830), (782, 24875), (850, 22885), (995, 19550), (1150, 16915), (1955, 9950), (1990, 9775), (2125, 9154), (2875, 6766), (3383, 5750), (3910, 4975), (4250, 4577)]