18739458

素因数分解:

$2^1\times 3^3\times {\mathrm{163}}^1\times {\mathrm{2129}}^1$

素因数の和:2303

約数の個数: 32

約数和(自身を含む): 41918400

約数和(自身を除く): 23178942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 163, 326, 489, 978, 1467, 2129, 2934, 4258, 4401, 6387, 8802, 12774, 19161, 38322, 57483, 114966, 347027, 694054, 1041081, 2082162, 3123243, 6246486, 9369729, 18739458]

約数ペア:

[(1, 18739458), (2, 9369729), (3, 6246486), (6, 3123243), (9, 2082162), (18, 1041081), (27, 694054), (54, 347027), (163, 114966), (326, 57483), (489, 38322), (978, 19161), (1467, 12774), (2129, 8802), (2934, 6387), (4258, 4401)]