19037968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:463

約数の個数: 40

約数和(自身を含む): 38497536

約数和(自身を除く): 19459568

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 131, 248, 262, 293, 496, 524, 586, 1048, 1172, 2096, 2344, 4061, 4688, 8122, 9083, 16244, 18166, 32488, 36332, 38383, 64976, 72664, 76766, 145328, 153532, 307064, 614128, 1189873, 2379746, 4759492, 9518984, 19037968]

約数ペア:

[(1, 19037968), (2, 9518984), (4, 4759492), (8, 2379746), (16, 1189873), (31, 614128), (62, 307064), (124, 153532), (131, 145328), (248, 76766), (262, 72664), (293, 64976), (496, 38383), (524, 36332), (586, 32488), (1048, 18166), (1172, 16244), (2096, 9083), (2344, 8122), (4061, 4688)]