19138724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 38646720

約数和(自身を除く): 19507996

約数列:

[1, 2, 4, 11, 22, 29, 44, 53, 58, 106, 116, 212, 283, 319, 566, 583, 638, 1132, 1166, 1276, 1537, 2332, 3074, 3113, 6148, 6226, 8207, 12452, 14999, 16414, 16907, 29998, 32828, 33814, 59996, 67628, 90277, 164989, 180554, 329978, 361108, 434971, 659956, 869942, 1739884, 4784681, 9569362, 19138724]

約数ペア:

[(1, 19138724), (2, 9569362), (4, 4784681), (11, 1739884), (22, 869942), (29, 659956), (44, 434971), (53, 361108), (58, 329978), (106, 180554), (116, 164989), (212, 90277), (283, 67628), (319, 59996), (566, 33814), (583, 32828), (638, 29998), (1132, 16907), (1166, 16414), (1276, 14999), (1537, 12452), (2332, 8207), (3074, 6226), (3113, 6148)]