18009537

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1673

約数の個数: 32

約数和(自身を含む): 30293760

約数和(自身を除く): 12284223

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 1609, 3731, 4827, 11193, 11263, 20917, 33789, 62751, 65969, 146419, 197907, 439257, 461783, 857597, 1385349, 2572791, 6003179, 18009537]

約数ペア:

[(1, 18009537), (3, 6003179), (7, 2572791), (13, 1385349), (21, 857597), (39, 461783), (41, 439257), (91, 197907), (123, 146419), (273, 65969), (287, 62751), (533, 33789), (861, 20917), (1599, 11263), (1609, 11193), (3731, 4827)]