18427682

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 36308160

約数和(自身を除く): 17880478

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 73, 91, 133, 146, 182, 247, 266, 494, 511, 949, 1022, 1387, 1729, 1898, 2774, 3458, 5329, 6643, 9709, 10658, 13286, 18031, 19418, 36062, 37303, 69277, 74606, 101251, 126217, 138554, 202502, 252434, 484939, 708757, 969878, 1316263, 1417514, 2632526, 9213841, 18427682]

約数ペア:

[(1, 18427682), (2, 9213841), (7, 2632526), (13, 1417514), (14, 1316263), (19, 969878), (26, 708757), (38, 484939), (73, 252434), (91, 202502), (133, 138554), (146, 126217), (182, 101251), (247, 74606), (266, 69277), (494, 37303), (511, 36062), (949, 19418), (1022, 18031), (1387, 13286), (1729, 10658), (1898, 9709), (2774, 6643), (3458, 5329)]