19489872

素因数分解:

$2^4\times 3^1\times {\mathrm{151}}^1\times {\mathrm{2689}}^1$

素因数の和:2851

約数の個数: 40

約数和(自身を含む): 50701120

約数和(自身を除く): 31211248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 151, 302, 453, 604, 906, 1208, 1812, 2416, 2689, 3624, 5378, 7248, 8067, 10756, 16134, 21512, 32268, 43024, 64536, 129072, 406039, 812078, 1218117, 1624156, 2436234, 3248312, 4872468, 6496624, 9744936, 19489872]

約数ペア:

[(1, 19489872), (2, 9744936), (3, 6496624), (4, 4872468), (6, 3248312), (8, 2436234), (12, 1624156), (16, 1218117), (24, 812078), (48, 406039), (151, 129072), (302, 64536), (453, 43024), (604, 32268), (906, 21512), (1208, 16134), (1812, 10756), (2416, 8067), (2689, 7248), (3624, 5378)]