19614933

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 64

約数和(自身を含む): 33868800

約数和(自身を除く): 14253867

約数列:

[1, 3, 9, 13, 27, 29, 39, 41, 47, 87, 117, 123, 141, 261, 351, 369, 377, 423, 533, 611, 783, 1107, 1131, 1189, 1269, 1363, 1599, 1833, 1927, 3393, 3567, 4089, 4797, 5499, 5781, 10179, 10701, 12267, 14391, 15457, 16497, 17343, 17719, 25051, 32103, 36801, 46371, 52029, 53157, 55883, 75153, 139113, 159471, 167649, 225459, 417339, 478413, 502947, 676377, 726479, 1508841, 2179437, 6538311, 19614933]

約数ペア:

[(1, 19614933), (3, 6538311), (9, 2179437), (13, 1508841), (27, 726479), (29, 676377), (39, 502947), (41, 478413), (47, 417339), (87, 225459), (117, 167649), (123, 159471), (141, 139113), (261, 75153), (351, 55883), (369, 53157), (377, 52029), (423, 46371), (533, 36801), (611, 32103), (783, 25051), (1107, 17719), (1131, 17343), (1189, 16497), (1269, 15457), (1363, 14391), (1599, 12267), (1833, 10701), (1927, 10179), (3393, 5781), (3567, 5499), (4089, 4797)]