18899398

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6221}}^1$

素因数の和:6268

約数の個数: 24

約数和(自身を含む): 34046784

約数和(自身を除く): 15147386

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 6221, 12442, 43547, 87094, 192851, 304829, 385702, 609658, 1349957, 2699914, 9449699, 18899398]

約数ペア:

[(1, 18899398), (2, 9449699), (7, 2699914), (14, 1349957), (31, 609658), (49, 385702), (62, 304829), (98, 192851), (217, 87094), (434, 43547), (1519, 12442), (3038, 6221)]