19221569163

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{787}}^1\times {\mathrm{17737}}^1$

素因数の和:18553

約数の個数: 40

約数和(自身を含む): 30443090832

約数和(自身を除く): 11221521669

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 787, 1377, 2361, 7083, 13379, 17737, 21249, 40137, 53211, 63747, 120411, 159633, 301529, 361233, 478899, 904587, 1083699, 1436697, 2713761, 8141283, 13959019, 24423849, 41877057, 125631171, 237303323, 376893513, 711909969, 1130680539, 2135729907, 6407189721, 19221569163]

約数ペア:

[(1, 19221569163), (3, 6407189721), (9, 2135729907), (17, 1130680539), (27, 711909969), (51, 376893513), (81, 237303323), (153, 125631171), (459, 41877057), (787, 24423849), (1377, 13959019), (2361, 8141283), (7083, 2713761), (13379, 1436697), (17737, 1083699), (21249, 904587), (40137, 478899), (53211, 361233), (63747, 301529), (120411, 159633)]