18984832

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2089}}^1$

素因数の和:2174

約数の個数: 32

約数和(自身を含む): 38372400

約数和(自身を除く): 19387568

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2089, 2272, 4178, 4544, 8356, 9088, 16712, 33424, 66848, 133696, 148319, 267392, 296638, 593276, 1186552, 2373104, 4746208, 9492416, 18984832]

約数ペア:

[(1, 18984832), (2, 9492416), (4, 4746208), (8, 2373104), (16, 1186552), (32, 593276), (64, 296638), (71, 267392), (128, 148319), (142, 133696), (284, 66848), (568, 33424), (1136, 16712), (2089, 9088), (2272, 8356), (4178, 4544)]