18744774976

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{25147}}^1$

素因数の和:25791

約数の個数: 56

約数和(自身を含む): 39219814880

約数和(自身を除く): 20475039904

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 613, 1216, 1226, 2452, 4904, 9808, 11647, 19616, 23294, 25147, 39232, 46588, 50294, 93176, 100588, 186352, 201176, 372704, 402352, 477793, 745408, 804704, 955586, 1609408, 1911172, 3822344, 7644688, 15289376, 15415111, 30578752, 30830222, 61660444, 123320888, 246641776, 292887109, 493283552, 585774218, 986567104, 1171548436, 2343096872, 4686193744, 9372387488, 18744774976]

約数ペア:

[(1, 18744774976), (2, 9372387488), (4, 4686193744), (8, 2343096872), (16, 1171548436), (19, 986567104), (32, 585774218), (38, 493283552), (64, 292887109), (76, 246641776), (152, 123320888), (304, 61660444), (608, 30830222), (613, 30578752), (1216, 15415111), (1226, 15289376), (2452, 7644688), (4904, 3822344), (9808, 1911172), (11647, 1609408), (19616, 955586), (23294, 804704), (25147, 745408), (39232, 477793), (46588, 402352), (50294, 372704), (93176, 201176), (100588, 186352)]