19830440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70823}}^1$

素因数の和:70841

約数の個数: 32

約数和(自身を含む): 50993280

約数和(自身を除く): 31162840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70823, 141646, 283292, 354115, 495761, 566584, 708230, 991522, 1416460, 1983044, 2478805, 2832920, 3966088, 4957610, 9915220, 19830440]

約数ペア:

[(1, 19830440), (2, 9915220), (4, 4957610), (5, 3966088), (7, 2832920), (8, 2478805), (10, 1983044), (14, 1416460), (20, 991522), (28, 708230), (35, 566584), (40, 495761), (56, 354115), (70, 283292), (140, 141646), (280, 70823)]