19057885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{839}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 9972515

約数列:

[1, 5, 7, 11, 35, 55, 59, 77, 295, 385, 413, 649, 839, 2065, 3245, 4195, 4543, 5873, 9229, 22715, 29365, 46145, 49501, 64603, 247505, 323015, 346507, 544511, 1732535, 2722555, 3811577, 19057885]

約数ペア:

[(1, 19057885), (5, 3811577), (7, 2722555), (11, 1732535), (35, 544511), (55, 346507), (59, 323015), (77, 247505), (295, 64603), (385, 49501), (413, 46145), (649, 29365), (839, 22715), (2065, 9229), (3245, 5873), (4195, 4543)]