19550004

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{521}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 47355840

約数和(自身を除く): 27805836

約数列:

[1, 2, 3, 4, 6, 12, 53, 59, 106, 118, 159, 177, 212, 236, 318, 354, 521, 636, 708, 1042, 1563, 2084, 3126, 3127, 6252, 6254, 9381, 12508, 18762, 27613, 30739, 37524, 55226, 61478, 82839, 92217, 110452, 122956, 165678, 184434, 331356, 368868, 1629167, 3258334, 4887501, 6516668, 9775002, 19550004]

約数ペア:

[(1, 19550004), (2, 9775002), (3, 6516668), (4, 4887501), (6, 3258334), (12, 1629167), (53, 368868), (59, 331356), (106, 184434), (118, 165678), (159, 122956), (177, 110452), (212, 92217), (236, 82839), (318, 61478), (354, 55226), (521, 37524), (636, 30739), (708, 27613), (1042, 18762), (1563, 12508), (2084, 9381), (3126, 6254), (3127, 6252)]