1819463978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1\times {\mathrm{1153}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 2906418240

約数和(自身を除く): 1086954262

約数列:

[1, 2, 19, 38, 131, 262, 317, 634, 1153, 2306, 2489, 4978, 6023, 12046, 21907, 41527, 43814, 83054, 151043, 302086, 365501, 731002, 789013, 1578026, 2869817, 5739634, 6944519, 13889038, 47880631, 95761262, 909731989, 1819463978]

約数ペア:

[(1, 1819463978), (2, 909731989), (19, 95761262), (38, 47880631), (131, 13889038), (262, 6944519), (317, 5739634), (634, 2869817), (1153, 1578026), (2306, 789013), (2489, 731002), (4978, 365501), (6023, 302086), (12046, 151043), (21907, 83054), (41527, 43814)]