19701556

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1277}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 42940800

約数和(自身を除く): 23239244

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 203, 266, 406, 532, 551, 812, 1102, 1277, 2204, 2554, 3857, 5108, 7714, 8939, 15428, 17878, 24263, 35756, 37033, 48526, 74066, 97052, 148132, 169841, 259231, 339682, 518462, 679364, 703627, 1036924, 1407254, 2814508, 4925389, 9850778, 19701556]

約数ペア:

[(1, 19701556), (2, 9850778), (4, 4925389), (7, 2814508), (14, 1407254), (19, 1036924), (28, 703627), (29, 679364), (38, 518462), (58, 339682), (76, 259231), (116, 169841), (133, 148132), (203, 97052), (266, 74066), (406, 48526), (532, 37033), (551, 35756), (812, 24263), (1102, 17878), (1277, 15428), (2204, 8939), (2554, 7714), (3857, 5108)]