19442920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69439}}^1$

素因数の和:69457

約数の個数: 32

約数和(自身を含む): 49996800

約数和(自身を除く): 30553880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69439, 138878, 277756, 347195, 486073, 555512, 694390, 972146, 1388780, 1944292, 2430365, 2777560, 3888584, 4860730, 9721460, 19442920]

約数ペア:

[(1, 19442920), (2, 9721460), (4, 4860730), (5, 3888584), (7, 2777560), (8, 2430365), (10, 1944292), (14, 1388780), (20, 972146), (28, 694390), (35, 555512), (40, 486073), (56, 347195), (70, 277756), (140, 138878), (280, 69439)]