18119205

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 16475355

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 195, 235, 423, 585, 611, 659, 705, 1833, 1977, 2115, 3055, 3295, 5499, 5931, 8567, 9165, 9885, 25701, 27495, 29655, 30973, 42835, 77103, 92919, 128505, 154865, 278757, 385515, 402649, 464595, 1207947, 1393785, 2013245, 3623841, 6039735, 18119205]

約数ペア:

[(1, 18119205), (3, 6039735), (5, 3623841), (9, 2013245), (13, 1393785), (15, 1207947), (39, 464595), (45, 402649), (47, 385515), (65, 278757), (117, 154865), (141, 128505), (195, 92919), (235, 77103), (423, 42835), (585, 30973), (611, 29655), (659, 27495), (705, 25701), (1833, 9885), (1977, 9165), (2115, 8567), (3055, 5931), (3295, 5499)]