19845196

素因数分解:

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

素因数の和:183

約数の個数: 54

約数和(自身を含む): 43115940

約数和(自身を除く): 23270744

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 73, 76, 98, 133, 146, 196, 266, 292, 511, 532, 931, 1022, 1387, 1862, 2044, 2774, 3577, 3724, 5329, 5548, 7154, 9709, 10658, 14308, 19418, 21316, 37303, 38836, 67963, 74606, 101251, 135926, 149212, 202502, 261121, 271852, 405004, 522242, 708757, 1044484, 1417514, 2835028, 4961299, 9922598, 19845196]

約数ペア:

[(1, 19845196), (2, 9922598), (4, 4961299), (7, 2835028), (14, 1417514), (19, 1044484), (28, 708757), (38, 522242), (49, 405004), (73, 271852), (76, 261121), (98, 202502), (133, 149212), (146, 135926), (196, 101251), (266, 74606), (292, 67963), (511, 38836), (532, 37303), (931, 21316), (1022, 19418), (1387, 14308), (1862, 10658), (2044, 9709), (2774, 7154), (3577, 5548), (3724, 5329)]