18879183

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10151217

約数列:

[1, 3, 9, 27, 53, 79, 159, 167, 237, 477, 501, 711, 1431, 1503, 2133, 4187, 4509, 8851, 12561, 13193, 26553, 37683, 39579, 79659, 113049, 118737, 238977, 356211, 699229, 2097687, 6293061, 18879183]

約数ペア:

[(1, 18879183), (3, 6293061), (9, 2097687), (27, 699229), (53, 356211), (79, 238977), (159, 118737), (167, 113049), (237, 79659), (477, 39579), (501, 37683), (711, 26553), (1431, 13193), (1503, 12561), (2133, 8851), (4187, 4509)]