19793488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 46372032

約数和(自身を除く): 26578544

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 41, 44, 52, 82, 88, 104, 143, 164, 176, 208, 211, 286, 328, 422, 451, 533, 572, 656, 844, 902, 1066, 1144, 1688, 1804, 2132, 2288, 2321, 2743, 3376, 3608, 4264, 4642, 5486, 5863, 7216, 8528, 8651, 9284, 10972, 11726, 17302, 18568, 21944, 23452, 30173, 34604, 37136, 43888, 46904, 60346, 69208, 93808, 95161, 112463, 120692, 138416, 190322, 224926, 241384, 380644, 449852, 482768, 761288, 899704, 1237093, 1522576, 1799408, 2474186, 4948372, 9896744, 19793488]

約数ペア:

[(1, 19793488), (2, 9896744), (4, 4948372), (8, 2474186), (11, 1799408), (13, 1522576), (16, 1237093), (22, 899704), (26, 761288), (41, 482768), (44, 449852), (52, 380644), (82, 241384), (88, 224926), (104, 190322), (143, 138416), (164, 120692), (176, 112463), (208, 95161), (211, 93808), (286, 69208), (328, 60346), (422, 46904), (451, 43888), (533, 37136), (572, 34604), (656, 30173), (844, 23452), (902, 21944), (1066, 18568), (1144, 17302), (1688, 11726), (1804, 10972), (2132, 9284), (2288, 8651), (2321, 8528), (2743, 7216), (3376, 5863), (3608, 5486), (4264, 4642)]