18409287

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 28082880

約数和(自身を除く): 9673593

約数列:

[1, 3, 13, 29, 39, 41, 87, 123, 377, 397, 533, 1131, 1189, 1191, 1599, 3567, 5161, 11513, 15457, 15483, 16277, 34539, 46371, 48831, 149669, 211601, 449007, 472033, 634803, 1416099, 6136429, 18409287]

約数ペア:

[(1, 18409287), (3, 6136429), (13, 1416099), (29, 634803), (39, 472033), (41, 449007), (87, 211601), (123, 149669), (377, 48831), (397, 46371), (533, 34539), (1131, 16277), (1189, 15483), (1191, 15457), (1599, 11513), (3567, 5161)]