18670250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 38817792

約数和(自身を除く): 20147542

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 125, 170, 191, 230, 250, 382, 391, 425, 575, 782, 850, 955, 1150, 1910, 1955, 2125, 2875, 3247, 3910, 4250, 4393, 4775, 5750, 6494, 8786, 9550, 9775, 16235, 19550, 21965, 23875, 32470, 43930, 47750, 48875, 74681, 81175, 97750, 109825, 149362, 162350, 219650, 373405, 405875, 549125, 746810, 811750, 1098250, 1867025, 3734050, 9335125, 18670250]

約数ペア:

[(1, 18670250), (2, 9335125), (5, 3734050), (10, 1867025), (17, 1098250), (23, 811750), (25, 746810), (34, 549125), (46, 405875), (50, 373405), (85, 219650), (115, 162350), (125, 149362), (170, 109825), (191, 97750), (230, 81175), (250, 74681), (382, 48875), (391, 47750), (425, 43930), (575, 32470), (782, 23875), (850, 21965), (955, 19550), (1150, 16235), (1910, 9775), (1955, 9550), (2125, 8786), (2875, 6494), (3247, 5750), (3910, 4775), (4250, 4393)]