19369405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 26542080

約数和(自身を除く): 7172675

約数列:

[1, 5, 11, 47, 55, 59, 127, 235, 295, 517, 635, 649, 1397, 2585, 2773, 3245, 5969, 6985, 7493, 13865, 29845, 30503, 37465, 65659, 82423, 152515, 328295, 352171, 412115, 1760855, 3873881, 19369405]

約数ペア:

[(1, 19369405), (5, 3873881), (11, 1760855), (47, 412115), (55, 352171), (59, 328295), (127, 152515), (235, 82423), (295, 65659), (517, 37465), (635, 30503), (649, 29845), (1397, 13865), (2585, 7493), (2773, 6985), (3245, 5969)]