19824380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 24628420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 293, 340, 398, 586, 796, 995, 1172, 1465, 1990, 2930, 3383, 3980, 4981, 5860, 6766, 9962, 13532, 16915, 19924, 24905, 33830, 49810, 58307, 67660, 99620, 116614, 233228, 291535, 583070, 991219, 1166140, 1982438, 3964876, 4956095, 9912190, 19824380]

約数ペア:

[(1, 19824380), (2, 9912190), (4, 4956095), (5, 3964876), (10, 1982438), (17, 1166140), (20, 991219), (34, 583070), (68, 291535), (85, 233228), (170, 116614), (199, 99620), (293, 67660), (340, 58307), (398, 49810), (586, 33830), (796, 24905), (995, 19924), (1172, 16915), (1465, 13532), (1990, 9962), (2930, 6766), (3383, 5860), (3980, 4981)]