19607580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1123}}^1$

素因数の和:1235

約数の個数: 72

約数和(自身を含む): 60142992

約数和(自身を除く): 40535412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1123, 1164, 1455, 1746, 1940, 2246, 2910, 3369, 3492, 4365, 4492, 5615, 5820, 6738, 8730, 10107, 11230, 13476, 16845, 17460, 20214, 22460, 33690, 40428, 50535, 67380, 101070, 108931, 202140, 217862, 326793, 435724, 544655, 653586, 980379, 1089310, 1307172, 1633965, 1960758, 2178620, 3267930, 3921516, 4901895, 6535860, 9803790, 19607580]

約数ペア:

[(1, 19607580), (2, 9803790), (3, 6535860), (4, 4901895), (5, 3921516), (6, 3267930), (9, 2178620), (10, 1960758), (12, 1633965), (15, 1307172), (18, 1089310), (20, 980379), (30, 653586), (36, 544655), (45, 435724), (60, 326793), (90, 217862), (97, 202140), (180, 108931), (194, 101070), (291, 67380), (388, 50535), (485, 40428), (582, 33690), (873, 22460), (970, 20214), (1123, 17460), (1164, 16845), (1455, 13476), (1746, 11230), (1940, 10107), (2246, 8730), (2910, 6738), (3369, 5820), (3492, 5615), (4365, 4492)]