19945005

素因数分解:

$3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{4943}}^1$

素因数の和:5220

約数の個数: 16

約数和(自身を含む): 32037120

約数和(自身を除く): 12092115

約数列:

[1, 3, 5, 15, 269, 807, 1345, 4035, 4943, 14829, 24715, 74145, 1329667, 3989001, 6648335, 19945005]

約数ペア:

[(1, 19945005), (3, 6648335), (5, 3989001), (15, 1329667), (269, 74145), (807, 24715), (1345, 14829), (4035, 4943)]