19216435

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 8431565

約数列:

[1, 5, 7, 31, 35, 89, 155, 199, 217, 445, 623, 995, 1085, 1393, 2759, 3115, 6169, 6965, 13795, 17711, 19313, 30845, 43183, 88555, 96565, 123977, 215915, 549041, 619885, 2745205, 3843287, 19216435]

約数ペア:

[(1, 19216435), (5, 3843287), (7, 2745205), (31, 619885), (35, 549041), (89, 215915), (155, 123977), (199, 96565), (217, 88555), (445, 43183), (623, 30845), (995, 19313), (1085, 17711), (1393, 13795), (2759, 6965), (3115, 6169)]