18969706

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 33960960

約数和(自身を除く): 14991254

約数列:

[1, 2, 7, 14, 31, 62, 109, 217, 218, 401, 434, 763, 802, 1526, 2807, 3379, 5614, 6758, 12431, 23653, 24862, 43709, 47306, 87017, 87418, 174034, 305963, 611926, 1354979, 2709958, 9484853, 18969706]

約数ペア:

[(1, 18969706), (2, 9484853), (7, 2709958), (14, 1354979), (31, 611926), (62, 305963), (109, 174034), (217, 87418), (218, 87017), (401, 47306), (434, 43709), (763, 24862), (802, 23653), (1526, 12431), (2807, 6758), (3379, 5614)]