19751774

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 35500032

約数和(自身を除く): 15748258

約数列:

[1, 2, 7, 14, 31, 62, 71, 142, 217, 434, 497, 641, 994, 1282, 2201, 4402, 4487, 8974, 15407, 19871, 30814, 39742, 45511, 91022, 139097, 278194, 318577, 637154, 1410841, 2821682, 9875887, 19751774]

約数ペア:

[(1, 19751774), (2, 9875887), (7, 2821682), (14, 1410841), (31, 637154), (62, 318577), (71, 278194), (142, 139097), (217, 91022), (434, 45511), (497, 39742), (641, 30814), (994, 19871), (1282, 15407), (2201, 8974), (4402, 4487)]