199881748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{641}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 403381440

約数和(自身を除く): 203499692

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 373, 418, 641, 746, 836, 1282, 1492, 2564, 4103, 7051, 7087, 8206, 12179, 14102, 14174, 16412, 24358, 28204, 28348, 48716, 77957, 133969, 155914, 239093, 267938, 311828, 478186, 535876, 956372, 2630023, 4542767, 5260046, 9085534, 10520092, 18171068, 49970437, 99940874, 199881748]

約数ペア:

[(1, 199881748), (2, 99940874), (4, 49970437), (11, 18171068), (19, 10520092), (22, 9085534), (38, 5260046), (44, 4542767), (76, 2630023), (209, 956372), (373, 535876), (418, 478186), (641, 311828), (746, 267938), (836, 239093), (1282, 155914), (1492, 133969), (2564, 77957), (4103, 48716), (7051, 28348), (7087, 28204), (8206, 24358), (12179, 16412), (14102, 14174)]