19398885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1429

約数の個数: 32

約数和(自身を含む): 34266240

約数和(自身を除く): 14867355

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 165, 267, 445, 979, 1321, 1335, 2937, 3963, 4895, 6605, 14531, 14685, 19815, 43593, 72655, 117569, 217965, 352707, 587845, 1293259, 1763535, 3879777, 6466295, 19398885]

約数ペア:

[(1, 19398885), (3, 6466295), (5, 3879777), (11, 1763535), (15, 1293259), (33, 587845), (55, 352707), (89, 217965), (165, 117569), (267, 72655), (445, 43593), (979, 19815), (1321, 14685), (1335, 14531), (2937, 6605), (3963, 4895)]