18087561925

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{1303}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 23656124800

約数和(自身を除く): 5568562875

約数列:

[1, 5, 25, 37, 43, 185, 215, 349, 925, 1075, 1303, 1591, 1745, 6515, 7955, 8725, 12913, 15007, 32575, 39775, 48211, 56029, 64565, 75035, 241055, 280145, 322825, 375175, 454747, 555259, 1205275, 1400725, 2073073, 2273735, 2776295, 10365365, 11368675, 13881475, 16825639, 19554121, 51826825, 84128195, 97770605, 420640975, 488853025, 723502477, 3617512385, 18087561925]

約数ペア:

[(1, 18087561925), (5, 3617512385), (25, 723502477), (37, 488853025), (43, 420640975), (185, 97770605), (215, 84128195), (349, 51826825), (925, 19554121), (1075, 16825639), (1303, 13881475), (1591, 11368675), (1745, 10365365), (6515, 2776295), (7955, 2273735), (8725, 2073073), (12913, 1400725), (15007, 1205275), (32575, 555259), (39775, 454747), (48211, 375175), (56029, 322825), (64565, 280145), (75035, 241055)]