18373888

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{5521}}^1$

素因数の和:5550

約数の個数: 36

約数和(自身を含む): 39504388

約数和(自身を除く): 21130500

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 5521, 11042, 22084, 44168, 71773, 88336, 143546, 176672, 287092, 353344, 574184, 706688, 1148368, 1413376, 2296736, 4593472, 9186944, 18373888]

約数ペア:

[(1, 18373888), (2, 9186944), (4, 4593472), (8, 2296736), (13, 1413376), (16, 1148368), (26, 706688), (32, 574184), (52, 353344), (64, 287092), (104, 176672), (128, 143546), (208, 88336), (256, 71773), (416, 44168), (832, 22084), (1664, 11042), (3328, 5521)]