19680748

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{937}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 35456400

約数和(自身を除く): 15775652

約数列:

[1, 2, 4, 59, 89, 118, 178, 236, 356, 937, 1874, 3748, 5251, 10502, 21004, 55283, 83393, 110566, 166786, 221132, 333572, 4920187, 9840374, 19680748]

約数ペア:

[(1, 19680748), (2, 9840374), (4, 4920187), (59, 333572), (89, 221132), (118, 166786), (178, 110566), (236, 83393), (356, 55283), (937, 21004), (1874, 10502), (3748, 5251)]