18740403

素因数分解:

$3^7\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:92

約数の個数: 64

約数和(自身を含む): 33062400

約数和(自身を除く): 14321997

約数列:

[1, 3, 9, 11, 19, 27, 33, 41, 57, 81, 99, 123, 171, 209, 243, 297, 369, 451, 513, 627, 729, 779, 891, 1107, 1353, 1539, 1881, 2187, 2337, 2673, 3321, 4059, 4617, 5643, 7011, 8019, 8569, 9963, 12177, 13851, 16929, 21033, 24057, 25707, 29889, 36531, 41553, 50787, 63099, 77121, 89667, 109593, 152361, 189297, 231363, 328779, 457083, 567891, 694089, 986337, 1703673, 2082267, 6246801, 18740403]

約数ペア:

[(1, 18740403), (3, 6246801), (9, 2082267), (11, 1703673), (19, 986337), (27, 694089), (33, 567891), (41, 457083), (57, 328779), (81, 231363), (99, 189297), (123, 152361), (171, 109593), (209, 89667), (243, 77121), (297, 63099), (369, 50787), (451, 41553), (513, 36531), (627, 29889), (729, 25707), (779, 24057), (891, 21033), (1107, 16929), (1353, 13851), (1539, 12177), (1881, 9963), (2187, 8569), (2337, 8019), (2673, 7011), (3321, 5643), (4059, 4617)]