19112885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 27060480

約数和(自身を除く): 7947595

約数列:

[1, 5, 11, 23, 29, 55, 115, 145, 253, 319, 521, 667, 1265, 1595, 2605, 3335, 5731, 7337, 11983, 15109, 28655, 36685, 59915, 75545, 131813, 166199, 347507, 659065, 830995, 1737535, 3822577, 19112885]

約数ペア:

[(1, 19112885), (5, 3822577), (11, 1737535), (23, 830995), (29, 659065), (55, 347507), (115, 166199), (145, 131813), (253, 75545), (319, 59915), (521, 36685), (667, 28655), (1265, 15109), (1595, 11983), (2605, 7337), (3335, 5731)]