19527284

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1487}}^1$

素因数の和:1572

約数の個数: 36

約数和(自身を含む): 40372416

約数和(自身を除く): 20845132

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 469, 938, 1487, 1876, 2974, 3283, 5948, 6566, 10409, 13132, 20818, 41636, 72863, 99629, 145726, 199258, 291452, 398516, 697403, 1394806, 2789612, 4881821, 9763642, 19527284]

約数ペア:

[(1, 19527284), (2, 9763642), (4, 4881821), (7, 2789612), (14, 1394806), (28, 697403), (49, 398516), (67, 291452), (98, 199258), (134, 145726), (196, 99629), (268, 72863), (469, 41636), (938, 20818), (1487, 13132), (1876, 10409), (2974, 6566), (3283, 5948)]