19530615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2131}}^1$

素因数の和:2199

約数の個数: 32

約数和(自身を含む): 34384896

約数和(自身を除く): 14854281

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1833, 2131, 3055, 6393, 9165, 10655, 27703, 31965, 83109, 100157, 138515, 300471, 415545, 500785, 1302041, 1502355, 3906123, 6510205, 19530615]

約数ペア:

[(1, 19530615), (3, 6510205), (5, 3906123), (13, 1502355), (15, 1302041), (39, 500785), (47, 415545), (65, 300471), (141, 138515), (195, 100157), (235, 83109), (611, 31965), (705, 27703), (1833, 10655), (2131, 9165), (3055, 6393)]