12984220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{727}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 29352960

約数和(自身を除く): 16368740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 727, 893, 940, 1454, 1786, 2908, 3572, 3635, 4465, 7270, 8930, 13813, 14540, 17860, 27626, 34169, 55252, 68338, 69065, 136676, 138130, 170845, 276260, 341690, 649211, 683380, 1298422, 2596844, 3246055, 6492110, 12984220]

約数ペア:

[(1, 12984220), (2, 6492110), (4, 3246055), (5, 2596844), (10, 1298422), (19, 683380), (20, 649211), (38, 341690), (47, 276260), (76, 170845), (94, 138130), (95, 136676), (188, 69065), (190, 68338), (235, 55252), (380, 34169), (470, 27626), (727, 17860), (893, 14540), (940, 13813), (1454, 8930), (1786, 7270), (2908, 4465), (3572, 3635)]