19420928

素因数分解:

$2^8\times {\mathrm{107}}^1\times {\mathrm{709}}^1$

素因数の和:832

約数の個数: 36

約数和(自身を含む): 39183480

約数和(自身を除く): 19762552

約数列:

[1, 2, 4, 8, 16, 32, 64, 107, 128, 214, 256, 428, 709, 856, 1418, 1712, 2836, 3424, 5672, 6848, 11344, 13696, 22688, 27392, 45376, 75863, 90752, 151726, 181504, 303452, 606904, 1213808, 2427616, 4855232, 9710464, 19420928]

約数ペア:

[(1, 19420928), (2, 9710464), (4, 4855232), (8, 2427616), (16, 1213808), (32, 606904), (64, 303452), (107, 181504), (128, 151726), (214, 90752), (256, 75863), (428, 45376), (709, 27392), (856, 22688), (1418, 13696), (1712, 11344), (2836, 6848), (3424, 5672)]