18987907972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{6337}}^1\times {\mathrm{68099}}^1$

素因数の和:74451

約数の個数: 24

約数和(自身を含む): 36255895200

約数和(自身を除く): 17267987228

約数列:

[1, 2, 4, 11, 22, 44, 6337, 12674, 25348, 68099, 69707, 136198, 139414, 272396, 278828, 749089, 1498178, 2996356, 431543363, 863086726, 1726173452, 4746976993, 9493953986, 18987907972]

約数ペア:

[(1, 18987907972), (2, 9493953986), (4, 4746976993), (11, 1726173452), (22, 863086726), (44, 431543363), (6337, 2996356), (12674, 1498178), (25348, 749089), (68099, 278828), (69707, 272396), (136198, 139414)]