19614520

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1117}}^1$

素因数の和:1567

約数の個数: 32

約数和(自身を含む): 44272800

約数和(自身を除く): 24658280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1117, 1756, 2195, 2234, 3512, 4390, 4468, 5585, 8780, 8936, 11170, 17560, 22340, 44680, 490363, 980726, 1961452, 2451815, 3922904, 4903630, 9807260, 19614520]

約数ペア:

[(1, 19614520), (2, 9807260), (4, 4903630), (5, 3922904), (8, 2451815), (10, 1961452), (20, 980726), (40, 490363), (439, 44680), (878, 22340), (1117, 17560), (1756, 11170), (2195, 8936), (2234, 8780), (3512, 5585), (4390, 4468)]