18493137

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 32256000

約数和(自身を除く): 13762863

約数列:

[1, 3, 9, 13, 19, 27, 39, 47, 57, 59, 117, 141, 171, 177, 247, 351, 423, 513, 531, 611, 741, 767, 893, 1121, 1269, 1593, 1833, 2223, 2301, 2679, 2773, 3363, 5499, 6669, 6903, 8037, 8319, 10089, 11609, 14573, 16497, 20709, 24111, 24957, 30267, 34827, 36049, 43719, 52687, 74871, 104481, 108147, 131157, 158061, 313443, 324441, 393471, 474183, 684931, 973323, 1422549, 2054793, 6164379, 18493137]

約数ペア:

[(1, 18493137), (3, 6164379), (9, 2054793), (13, 1422549), (19, 973323), (27, 684931), (39, 474183), (47, 393471), (57, 324441), (59, 313443), (117, 158061), (141, 131157), (171, 108147), (177, 104481), (247, 74871), (351, 52687), (423, 43719), (513, 36049), (531, 34827), (611, 30267), (741, 24957), (767, 24111), (893, 20709), (1121, 16497), (1269, 14573), (1593, 11609), (1833, 10089), (2223, 8319), (2301, 8037), (2679, 6903), (2773, 6669), (3363, 5499)]