2019493420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{773}}^1\times {\mathrm{18661}}^1$

素因数の和:19450

約数の個数: 48

約数和(自身を含む): 4853314368

約数和(自身を除く): 2833820948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 773, 1546, 3092, 3865, 5411, 7730, 10822, 15460, 18661, 21644, 27055, 37322, 54110, 74644, 93305, 108220, 130627, 186610, 261254, 373220, 522508, 653135, 1306270, 2612540, 14424953, 28849906, 57699812, 72124765, 100974671, 144249530, 201949342, 288499060, 403898684, 504873355, 1009746710, 2019493420]

約数ペア:

[(1, 2019493420), (2, 1009746710), (4, 504873355), (5, 403898684), (7, 288499060), (10, 201949342), (14, 144249530), (20, 100974671), (28, 72124765), (35, 57699812), (70, 28849906), (140, 14424953), (773, 2612540), (1546, 1306270), (3092, 653135), (3865, 522508), (5411, 373220), (7730, 261254), (10822, 186610), (15460, 130627), (18661, 108220), (21644, 93305), (27055, 74644), (37322, 54110)]