19006215

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 31595520

約数和(自身を除く): 12589305

約数列:

[1, 3, 5, 15, 43, 79, 129, 215, 237, 373, 395, 645, 1119, 1185, 1865, 3397, 5595, 10191, 16039, 16985, 29467, 48117, 50955, 80195, 88401, 147335, 240585, 442005, 1267081, 3801243, 6335405, 19006215]

約数ペア:

[(1, 19006215), (3, 6335405), (5, 3801243), (15, 1267081), (43, 442005), (79, 240585), (129, 147335), (215, 88401), (237, 80195), (373, 50955), (395, 48117), (645, 29467), (1119, 16985), (1185, 16039), (1865, 10191), (3397, 5595)]