18315128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2887}}^1$

素因数の和:2967

約数の個数: 32

約数和(自身を含む): 37601760

約数和(自身を除く): 19286632

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 2887, 3172, 5774, 6344, 11548, 23096, 37531, 75062, 150124, 176107, 300248, 352214, 704428, 1408856, 2289391, 4578782, 9157564, 18315128]

約数ペア:

[(1, 18315128), (2, 9157564), (4, 4578782), (8, 2289391), (13, 1408856), (26, 704428), (52, 352214), (61, 300248), (104, 176107), (122, 150124), (244, 75062), (488, 37531), (793, 23096), (1586, 11548), (2887, 6344), (3172, 5774)]