18553538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1399}}^1$

素因数の和:1769

約数の個数: 16

約数和(自身を含む): 29400000

約数和(自身を除く): 10846462

約数列:

[1, 2, 19, 38, 349, 698, 1399, 2798, 6631, 13262, 26581, 53162, 488251, 976502, 9276769, 18553538]

約数ペア:

[(1, 18553538), (2, 9276769), (19, 976502), (38, 488251), (349, 53162), (698, 26581), (1399, 13262), (2798, 6631)]