18893060

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 41126400

約数和(自身を除く): 22233340

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 101, 188, 199, 202, 235, 398, 404, 470, 505, 796, 940, 995, 1010, 1990, 2020, 3980, 4747, 9353, 9494, 18706, 18988, 20099, 23735, 37412, 40198, 46765, 47470, 80396, 93530, 94940, 100495, 187060, 200990, 401980, 944653, 1889306, 3778612, 4723265, 9446530, 18893060]

約数ペア:

[(1, 18893060), (2, 9446530), (4, 4723265), (5, 3778612), (10, 1889306), (20, 944653), (47, 401980), (94, 200990), (101, 187060), (188, 100495), (199, 94940), (202, 93530), (235, 80396), (398, 47470), (404, 46765), (470, 40198), (505, 37412), (796, 23735), (940, 20099), (995, 18988), (1010, 18706), (1990, 9494), (2020, 9353), (3980, 4747)]