19751963

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 7343077

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 253, 437, 587, 1463, 1771, 3059, 4109, 4807, 6457, 11153, 13501, 33649, 45199, 78071, 94507, 122683, 148511, 256519, 858781, 1039577, 1795633, 2821709, 19751963]

約数ペア:

[(1, 19751963), (7, 2821709), (11, 1795633), (19, 1039577), (23, 858781), (77, 256519), (133, 148511), (161, 122683), (209, 94507), (253, 78071), (437, 45199), (587, 33649), (1463, 13501), (1771, 11153), (3059, 6457), (4109, 4807)]