19869759

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8087}}^1$

素因数の和:8116

約数の個数: 32

約数和(自身を含む): 36234240

約数和(自身を除く): 16364481

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8087, 24261, 56609, 72783, 105131, 169827, 218349, 315393, 509481, 735917, 946179, 1528443, 2207751, 2838537, 6623253, 19869759]

約数ペア:

[(1, 19869759), (3, 6623253), (7, 2838537), (9, 2207751), (13, 1528443), (21, 946179), (27, 735917), (39, 509481), (63, 315393), (91, 218349), (117, 169827), (189, 105131), (273, 72783), (351, 56609), (819, 24261), (2457, 8087)]