19103315

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 30101760

約数和(自身を除く): 10998445

約数列:

[1, 5, 7, 11, 29, 35, 55, 59, 77, 145, 203, 295, 319, 385, 413, 649, 841, 1015, 1595, 1711, 2065, 2233, 3245, 4205, 4543, 5887, 8555, 9251, 11165, 11977, 18821, 22715, 29435, 46255, 49619, 59885, 64757, 94105, 131747, 248095, 323785, 347333, 545809, 658735, 1736665, 2729045, 3820663, 19103315]

約数ペア:

[(1, 19103315), (5, 3820663), (7, 2729045), (11, 1736665), (29, 658735), (35, 545809), (55, 347333), (59, 323785), (77, 248095), (145, 131747), (203, 94105), (295, 64757), (319, 59885), (385, 49619), (413, 46255), (649, 29435), (841, 22715), (1015, 18821), (1595, 11977), (1711, 11165), (2065, 9251), (2233, 8555), (3245, 5887), (4205, 4543)]