199538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 16

約数和(自身を含む): 324000

約数和(自身を除く): 124462

約数列:

[1, 2, 19, 38, 59, 89, 118, 178, 1121, 1691, 2242, 3382, 5251, 10502, 99769, 199538]

約数ペア:

[(1, 199538), (2, 99769), (19, 10502), (38, 5251), (59, 3382), (89, 2242), (118, 1691), (178, 1121)]