19319248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{317}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 40575528

約数和(自身を除く): 21256280

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 293, 317, 586, 634, 1172, 1268, 2344, 2536, 3809, 4121, 4688, 5072, 7618, 8242, 15236, 16484, 30472, 32968, 60944, 65936, 92881, 185762, 371524, 743048, 1207453, 1486096, 2414906, 4829812, 9659624, 19319248]

約数ペア:

[(1, 19319248), (2, 9659624), (4, 4829812), (8, 2414906), (13, 1486096), (16, 1207453), (26, 743048), (52, 371524), (104, 185762), (208, 92881), (293, 65936), (317, 60944), (586, 32968), (634, 30472), (1172, 16484), (1268, 15236), (2344, 8242), (2536, 7618), (3809, 5072), (4121, 4688)]