19123416

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20431}}^1$

素因数の和:20456

約数の個数: 48

約数和(自身を含む): 55779360

約数和(自身を除く): 36655944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20431, 40862, 61293, 81724, 122586, 163448, 183879, 245172, 265603, 367758, 490344, 531206, 735516, 796809, 1062412, 1471032, 1593618, 2124824, 2390427, 3187236, 4780854, 6374472, 9561708, 19123416]

約数ペア:

[(1, 19123416), (2, 9561708), (3, 6374472), (4, 4780854), (6, 3187236), (8, 2390427), (9, 2124824), (12, 1593618), (13, 1471032), (18, 1062412), (24, 796809), (26, 735516), (36, 531206), (39, 490344), (52, 367758), (72, 265603), (78, 245172), (104, 183879), (117, 163448), (156, 122586), (234, 81724), (312, 61293), (468, 40862), (936, 20431)]