18142240

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{761}}^1$

素因数の和:925

約数の個数: 48

約数和(自身を含む): 43205400

約数和(自身を除く): 25063160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 761, 1192, 1490, 1522, 2384, 2980, 3044, 3805, 4768, 5960, 6088, 7610, 11920, 12176, 15220, 23840, 24352, 30440, 60880, 113389, 121760, 226778, 453556, 566945, 907112, 1133890, 1814224, 2267780, 3628448, 4535560, 9071120, 18142240]

約数ペア:

[(1, 18142240), (2, 9071120), (4, 4535560), (5, 3628448), (8, 2267780), (10, 1814224), (16, 1133890), (20, 907112), (32, 566945), (40, 453556), (80, 226778), (149, 121760), (160, 113389), (298, 60880), (596, 30440), (745, 24352), (761, 23840), (1192, 15220), (1490, 12176), (1522, 11920), (2384, 7610), (2980, 6088), (3044, 5960), (3805, 4768)]