18953165

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2591}}^1$

素因数の和:2633

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 10906675

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 2591, 7315, 12955, 18137, 28501, 49229, 90685, 142505, 199507, 246145, 344603, 541519, 997535, 1723015, 2707595, 3790633, 18953165]

約数ペア:

[(1, 18953165), (5, 3790633), (7, 2707595), (11, 1723015), (19, 997535), (35, 541519), (55, 344603), (77, 246145), (95, 199507), (133, 142505), (209, 90685), (385, 49229), (665, 28501), (1045, 18137), (1463, 12955), (2591, 7315)]