19457420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13327}}^1$

素因数の和:13409

約数の個数: 24

約数和(自身を含む): 41423424

約数和(自身を除く): 21966004

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13327, 26654, 53308, 66635, 133270, 266540, 972871, 1945742, 3891484, 4864355, 9728710, 19457420]

約数ペア:

[(1, 19457420), (2, 9728710), (4, 4864355), (5, 3891484), (10, 1945742), (20, 972871), (73, 266540), (146, 133270), (292, 66635), (365, 53308), (730, 26654), (1460, 13327)]