18231255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1916

約数の個数: 48

約数和(自身を含む): 37300224

約数和(自身を除く): 19068969

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1867, 1953, 3255, 5601, 9335, 9765, 13069, 16803, 28005, 39207, 57877, 65345, 84015, 117621, 173631, 196035, 289385, 405139, 520893, 588105, 868155, 1215417, 2025695, 2604465, 3646251, 6077085, 18231255]

約数ペア:

[(1, 18231255), (3, 6077085), (5, 3646251), (7, 2604465), (9, 2025695), (15, 1215417), (21, 868155), (31, 588105), (35, 520893), (45, 405139), (63, 289385), (93, 196035), (105, 173631), (155, 117621), (217, 84015), (279, 65345), (315, 57877), (465, 39207), (651, 28005), (1085, 16803), (1395, 13069), (1867, 9765), (1953, 9335), (3255, 5601)]