19077890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1453}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 37373616

約数和(自身を除く): 18295726

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 1453, 2626, 2906, 6565, 7265, 13130, 14530, 18889, 37778, 94445, 146753, 188890, 293506, 733765, 1467530, 1907789, 3815578, 9538945, 19077890]

約数ペア:

[(1, 19077890), (2, 9538945), (5, 3815578), (10, 1907789), (13, 1467530), (26, 733765), (65, 293506), (101, 188890), (130, 146753), (202, 94445), (505, 37778), (1010, 18889), (1313, 14530), (1453, 13130), (2626, 7265), (2906, 6565)]