19563445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 27377280

約数和(自身を除く): 7813835

約数列:

[1, 5, 11, 19, 55, 95, 97, 193, 209, 485, 965, 1045, 1067, 1843, 2123, 3667, 5335, 9215, 10615, 18335, 18721, 20273, 40337, 93605, 101365, 201685, 205931, 355699, 1029655, 1778495, 3912689, 19563445]

約数ペア:

[(1, 19563445), (5, 3912689), (11, 1778495), (19, 1029655), (55, 355699), (95, 205931), (97, 201685), (193, 101365), (209, 93605), (485, 40337), (965, 20273), (1045, 18721), (1067, 18335), (1843, 10615), (2123, 9215), (3667, 5335)]