72199818

素因数分解:

$2^1\times 3^2\times {\mathrm{223}}^1\times {\mathrm{17987}}^1$

素因数の和:18218

約数の個数: 24

約数和(自身を含む): 157143168

約数和(自身を除く): 84943350

約数列:

[1, 2, 3, 6, 9, 18, 223, 446, 669, 1338, 2007, 4014, 17987, 35974, 53961, 107922, 161883, 323766, 4011101, 8022202, 12033303, 24066606, 36099909, 72199818]

約数ペア:

[(1, 72199818), (2, 36099909), (3, 24066606), (6, 12033303), (9, 8022202), (18, 4011101), (223, 323766), (446, 161883), (669, 107922), (1338, 53961), (2007, 35974), (4014, 17987)]