19568557720

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1277321}}^1$

素因数の和:1277715

約数の個数: 32

約数和(自身を含む): 44144248320

約数和(自身を除く): 24575690600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 7660, 15320, 1277321, 2554642, 5109284, 6386605, 10218568, 12773210, 25546420, 51092840, 489213943, 978427886, 1956855772, 2446069715, 3913711544, 4892139430, 9784278860, 19568557720]

約数ペア:

[(1, 19568557720), (2, 9784278860), (4, 4892139430), (5, 3913711544), (8, 2446069715), (10, 1956855772), (20, 978427886), (40, 489213943), (383, 51092840), (766, 25546420), (1532, 12773210), (1915, 10218568), (3064, 6386605), (3830, 5109284), (7660, 2554642), (15320, 1277321)]