18996688

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{32089}}^1$

素因数の和:32134

約数の個数: 20

約数和(自身を含む): 37802020

約数和(自身を除く): 18805332

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 32089, 64178, 128356, 256712, 513424, 1187293, 2374586, 4749172, 9498344, 18996688]

約数ペア:

[(1, 18996688), (2, 9498344), (4, 4749172), (8, 2374586), (16, 1187293), (37, 513424), (74, 256712), (148, 128356), (296, 64178), (592, 32089)]