18386503

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 20321280

約数和(自身を除く): 1934777

約数列:

[1, 17, 31, 139, 251, 527, 2363, 4267, 4309, 7781, 34889, 73253, 132277, 593113, 1081559, 18386503]

約数ペア:

[(1, 18386503), (17, 1081559), (31, 593113), (139, 132277), (251, 73253), (527, 34889), (2363, 7781), (4267, 4309)]