2019947865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{75611}}^1$

素因数の和:75769

約数の個数: 32

約数和(自身を含む): 3505977216

約数和(自身を除く): 1486029351

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 1781, 2055, 5343, 8905, 26715, 75611, 226833, 378055, 982943, 1134165, 2948829, 4914715, 10358707, 14744145, 31076121, 51793535, 134663191, 155380605, 403989573, 673315955, 2019947865]

約数ペア:

[(1, 2019947865), (3, 673315955), (5, 403989573), (13, 155380605), (15, 134663191), (39, 51793535), (65, 31076121), (137, 14744145), (195, 10358707), (411, 4914715), (685, 2948829), (1781, 1134165), (2055, 982943), (5343, 378055), (8905, 226833), (26715, 75611)]