19094512

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:457

約数の個数: 40

約数和(自身を含む): 38604672

約数和(自身を除く): 19510160

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 137, 248, 274, 281, 496, 548, 562, 1096, 1124, 2192, 2248, 4247, 4496, 8494, 8711, 16988, 17422, 33976, 34844, 38497, 67952, 69688, 76994, 139376, 153988, 307976, 615952, 1193407, 2386814, 4773628, 9547256, 19094512]

約数ペア:

[(1, 19094512), (2, 9547256), (4, 4773628), (8, 2386814), (16, 1193407), (31, 615952), (62, 307976), (124, 153988), (137, 139376), (248, 76994), (274, 69688), (281, 67952), (496, 38497), (548, 34844), (562, 33976), (1096, 17422), (1124, 16988), (2192, 8711), (2248, 8494), (4247, 4496)]