18491824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{88903}}^1$

素因数の和:88924

約数の個数: 20

約数和(自身を含む): 38584336

約数和(自身を除く): 20092512

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 88903, 177806, 355612, 711224, 1155739, 1422448, 2311478, 4622956, 9245912, 18491824]

約数ペア:

[(1, 18491824), (2, 9245912), (4, 4622956), (8, 2311478), (13, 1422448), (16, 1155739), (26, 711224), (52, 355612), (104, 177806), (208, 88903)]