2019926896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1\times {\mathrm{563}}^1$

素因数の和:998

約数の個数: 80

約数和(自身を含む): 4323723264

約数和(自身を除く): 2303796368

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 367, 376, 563, 611, 734, 752, 1126, 1222, 1468, 2252, 2444, 2936, 4504, 4771, 4888, 5872, 7319, 9008, 9542, 9776, 14638, 17249, 19084, 26461, 29276, 34498, 38168, 52922, 58552, 68996, 76336, 105844, 117104, 137992, 206621, 211688, 224237, 275984, 343993, 413242, 423376, 448474, 687986, 826484, 896948, 1375972, 1652968, 1793896, 2686073, 2751944, 3305936, 3587792, 5372146, 5503888, 9711187, 10744292, 19422374, 21488584, 38844748, 42977168, 77689496, 126245431, 155378992, 252490862, 504981724, 1009963448, 2019926896]

約数ペア:

[(1, 2019926896), (2, 1009963448), (4, 504981724), (8, 252490862), (13, 155378992), (16, 126245431), (26, 77689496), (47, 42977168), (52, 38844748), (94, 21488584), (104, 19422374), (188, 10744292), (208, 9711187), (367, 5503888), (376, 5372146), (563, 3587792), (611, 3305936), (734, 2751944), (752, 2686073), (1126, 1793896), (1222, 1652968), (1468, 1375972), (2252, 896948), (2444, 826484), (2936, 687986), (4504, 448474), (4771, 423376), (4888, 413242), (5872, 343993), (7319, 275984), (9008, 224237), (9542, 211688), (9776, 206621), (14638, 137992), (17249, 117104), (19084, 105844), (26461, 76336), (29276, 68996), (34498, 58552), (38168, 52922)]