18427820841

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{461}}^1\times {\mathrm{2557}}^1$

素因数の和:3223

約数の個数: 40

約数和(自身を含む): 27741479304

約数和(自身を除く): 9313658463

約数列:

[1, 3, 9, 27, 81, 193, 461, 579, 1383, 1737, 2557, 4149, 5211, 7671, 12447, 15633, 23013, 37341, 69039, 88973, 207117, 266919, 493501, 800757, 1178777, 1480503, 2402271, 3536331, 4441509, 7206813, 10608993, 13324527, 31826979, 39973581, 95480937, 227503961, 682511883, 2047535649, 6142606947, 18427820841]

約数ペア:

[(1, 18427820841), (3, 6142606947), (9, 2047535649), (27, 682511883), (81, 227503961), (193, 95480937), (461, 39973581), (579, 31826979), (1383, 13324527), (1737, 10608993), (2557, 7206813), (4149, 4441509), (5211, 3536331), (7671, 2402271), (12447, 1480503), (15633, 1178777), (23013, 800757), (37341, 493501), (69039, 266919), (88973, 207117)]