18525925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 27319680

約数和(自身を除く): 8793755

約数列:

[1, 5, 11, 23, 25, 29, 55, 101, 115, 145, 253, 275, 319, 505, 575, 667, 725, 1111, 1265, 1595, 2323, 2525, 2929, 3335, 5555, 6325, 7337, 7975, 11615, 14645, 16675, 25553, 27775, 32219, 36685, 58075, 67367, 73225, 127765, 161095, 183425, 336835, 638825, 741037, 805475, 1684175, 3705185, 18525925]

約数ペア:

[(1, 18525925), (5, 3705185), (11, 1684175), (23, 805475), (25, 741037), (29, 638825), (55, 336835), (101, 183425), (115, 161095), (145, 127765), (253, 73225), (275, 67367), (319, 58075), (505, 36685), (575, 32219), (667, 27775), (725, 25553), (1111, 16675), (1265, 14645), (1595, 11615), (2323, 7975), (2525, 7337), (2929, 6325), (3335, 5555)]