18889430973

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{491797}}^1$

素因数の和:491897

約数の個数: 32

約数和(自身を含む): 30216069120

約数和(自身を除く): 11326638147

約数列:

[1, 3, 7, 21, 31, 59, 93, 177, 217, 413, 651, 1239, 1829, 5487, 12803, 38409, 491797, 1475391, 3442579, 10327737, 15245707, 29016023, 45737121, 87048069, 106719949, 203112161, 320159847, 609336483, 899496713, 2698490139, 6296476991, 18889430973]

約数ペア:

[(1, 18889430973), (3, 6296476991), (7, 2698490139), (21, 899496713), (31, 609336483), (59, 320159847), (93, 203112161), (177, 106719949), (217, 87048069), (413, 45737121), (651, 29016023), (1239, 15245707), (1829, 10327737), (5487, 3442579), (12803, 1475391), (38409, 491797)]