18350920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65539}}^1$

素因数の和:65557

約数の個数: 32

約数和(自身を含む): 47188800

約数和(自身を除く): 28837880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65539, 131078, 262156, 327695, 458773, 524312, 655390, 917546, 1310780, 1835092, 2293865, 2621560, 3670184, 4587730, 9175460, 18350920]

約数ペア:

[(1, 18350920), (2, 9175460), (4, 4587730), (5, 3670184), (7, 2621560), (8, 2293865), (10, 1835092), (14, 1310780), (20, 917546), (28, 655390), (35, 524312), (40, 458773), (56, 327695), (70, 262156), (140, 131078), (280, 65539)]