19681146

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 44950464

約数和(自身を除く): 25269318

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 137, 138, 207, 274, 347, 411, 414, 694, 822, 1041, 1233, 2082, 2466, 3123, 3151, 6246, 6302, 7981, 9453, 15962, 18906, 23943, 28359, 47539, 47886, 56718, 71829, 95078, 142617, 143658, 285234, 427851, 855702, 1093397, 2186794, 3280191, 6560382, 9840573, 19681146]

約数ペア:

[(1, 19681146), (2, 9840573), (3, 6560382), (6, 3280191), (9, 2186794), (18, 1093397), (23, 855702), (46, 427851), (69, 285234), (137, 143658), (138, 142617), (207, 95078), (274, 71829), (347, 56718), (411, 47886), (414, 47539), (694, 28359), (822, 23943), (1041, 18906), (1233, 15962), (2082, 9453), (2466, 7981), (3123, 6302), (3151, 6246)]