19243040

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{947}}^1$

素因数の和:1089

約数の個数: 48

約数和(自身を含む): 45868032

約数和(自身を除く): 26624992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 947, 1016, 1270, 1894, 2032, 2540, 3788, 4064, 4735, 5080, 7576, 9470, 10160, 15152, 18940, 20320, 30304, 37880, 75760, 120269, 151520, 240538, 481076, 601345, 962152, 1202690, 1924304, 2405380, 3848608, 4810760, 9621520, 19243040]

約数ペア:

[(1, 19243040), (2, 9621520), (4, 4810760), (5, 3848608), (8, 2405380), (10, 1924304), (16, 1202690), (20, 962152), (32, 601345), (40, 481076), (80, 240538), (127, 151520), (160, 120269), (254, 75760), (508, 37880), (635, 30304), (947, 20320), (1016, 18940), (1270, 15152), (1894, 10160), (2032, 9470), (2540, 7576), (3788, 5080), (4064, 4735)]