19287088

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:445

約数の個数: 40

約数和(自身を含む): 39037680

約数和(自身を除く): 19750592

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 197, 211, 232, 394, 422, 464, 788, 844, 1576, 1688, 3152, 3376, 5713, 6119, 11426, 12238, 22852, 24476, 41567, 45704, 48952, 83134, 91408, 97904, 166268, 332536, 665072, 1205443, 2410886, 4821772, 9643544, 19287088]

約数ペア:

[(1, 19287088), (2, 9643544), (4, 4821772), (8, 2410886), (16, 1205443), (29, 665072), (58, 332536), (116, 166268), (197, 97904), (211, 91408), (232, 83134), (394, 48952), (422, 45704), (464, 41567), (788, 24476), (844, 22852), (1576, 12238), (1688, 11426), (3152, 6119), (3376, 5713)]