18079887

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 29329920

約数和(自身を除く): 11250033

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 339, 399, 401, 791, 1203, 2147, 2373, 2807, 6441, 7619, 8421, 15029, 22857, 45087, 45313, 53333, 135939, 159999, 317191, 860947, 951573, 2582841, 6026629, 18079887]

約数ペア:

[(1, 18079887), (3, 6026629), (7, 2582841), (19, 951573), (21, 860947), (57, 317191), (113, 159999), (133, 135939), (339, 53333), (399, 45313), (401, 45087), (791, 22857), (1203, 15029), (2147, 8421), (2373, 7619), (2807, 6441)]