19451481

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{1171}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 30462624

約数和(自身を除く): 11011143

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 1171, 2373, 3513, 5537, 8197, 16611, 24591, 57379, 132323, 172137, 396969, 926261, 2778783, 6483827, 19451481]

約数ペア:

[(1, 19451481), (3, 6483827), (7, 2778783), (21, 926261), (49, 396969), (113, 172137), (147, 132323), (339, 57379), (791, 24591), (1171, 16611), (2373, 8197), (3513, 5537)]