19123405

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 27936000

約数和(自身を除く): 8812595

約数列:

[1, 5, 7, 19, 35, 95, 133, 149, 193, 665, 745, 965, 1043, 1351, 2831, 3667, 5215, 6755, 14155, 18335, 19817, 25669, 28757, 99085, 128345, 143785, 201299, 546383, 1006495, 2731915, 3824681, 19123405]

約数ペア:

[(1, 19123405), (5, 3824681), (7, 2731915), (19, 1006495), (35, 546383), (95, 201299), (133, 143785), (149, 128345), (193, 99085), (665, 28757), (745, 25669), (965, 19817), (1043, 18335), (1351, 14155), (2831, 6755), (3667, 5215)]