1891660045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{12149}}^1$

素因数の和:12333

約数の個数: 32

約数和(自身を含む): 2624400000

約数和(自身を除く): 732739955

約数列:

[1, 5, 11, 19, 55, 95, 149, 209, 745, 1045, 1639, 2831, 8195, 12149, 14155, 31141, 60745, 133639, 155705, 230831, 668195, 1154155, 1810201, 2539141, 9051005, 12695705, 19912211, 34393819, 99561055, 171969095, 378332009, 1891660045]

約数ペア:

[(1, 1891660045), (5, 378332009), (11, 171969095), (19, 99561055), (55, 34393819), (95, 19912211), (149, 12695705), (209, 9051005), (745, 2539141), (1045, 1810201), (1639, 1154155), (2831, 668195), (8195, 230831), (12149, 155705), (14155, 133639), (31141, 60745)]