17995747744

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{205019}}^1$

素因数の和:205253

約数の個数: 48

約数和(自身を含む): 38335459680

約数和(自身を除く): 20339711936

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 211, 416, 422, 844, 1688, 2743, 3376, 5486, 6752, 10972, 21944, 43888, 87776, 205019, 410038, 820076, 1640152, 2665247, 3280304, 5330494, 6560608, 10660988, 21321976, 42643952, 43259009, 85287904, 86518018, 173036036, 346072072, 562367117, 692144144, 1124734234, 1384288288, 2249468468, 4498936936, 8997873872, 17995747744]

約数ペア:

[(1, 17995747744), (2, 8997873872), (4, 4498936936), (8, 2249468468), (13, 1384288288), (16, 1124734234), (26, 692144144), (32, 562367117), (52, 346072072), (104, 173036036), (208, 86518018), (211, 85287904), (416, 43259009), (422, 42643952), (844, 21321976), (1688, 10660988), (2743, 6560608), (3376, 5330494), (5486, 3280304), (6752, 2665247), (10972, 1640152), (21944, 820076), (43888, 410038), (87776, 205019)]