189801904

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{223823}}^1$

素因数の和:223884

約数の個数: 20

約数和(自身を含む): 374681376

約数和(自身を除く): 184879472

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 223823, 447646, 895292, 1790584, 3581168, 11862619, 23725238, 47450476, 94900952, 189801904]

約数ペア:

[(1, 189801904), (2, 94900952), (4, 47450476), (8, 23725238), (16, 11862619), (53, 3581168), (106, 1790584), (212, 895292), (424, 447646), (848, 223823)]