19931320

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1301}}^1$

素因数の和:1695

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 25065800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1301, 1532, 1915, 2602, 3064, 3830, 5204, 6505, 7660, 10408, 13010, 15320, 26020, 52040, 498283, 996566, 1993132, 2491415, 3986264, 4982830, 9965660, 19931320]

約数ペア:

[(1, 19931320), (2, 9965660), (4, 4982830), (5, 3986264), (8, 2491415), (10, 1993132), (20, 996566), (40, 498283), (383, 52040), (766, 26020), (1301, 15320), (1532, 13010), (1915, 10408), (2602, 7660), (3064, 6505), (3830, 5204)]