18542000

素因数分解:

$2^4\times 5^3\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 80

約数和(自身を含む): 45806592

約数和(自身を除く): 27264592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 73, 80, 100, 125, 127, 146, 200, 250, 254, 292, 365, 400, 500, 508, 584, 635, 730, 1000, 1016, 1168, 1270, 1460, 1825, 2000, 2032, 2540, 2920, 3175, 3650, 5080, 5840, 6350, 7300, 9125, 9271, 10160, 12700, 14600, 15875, 18250, 18542, 25400, 29200, 31750, 36500, 37084, 46355, 50800, 63500, 73000, 74168, 92710, 127000, 146000, 148336, 185420, 231775, 254000, 370840, 463550, 741680, 927100, 1158875, 1854200, 2317750, 3708400, 4635500, 9271000, 18542000]

約数ペア:

[(1, 18542000), (2, 9271000), (4, 4635500), (5, 3708400), (8, 2317750), (10, 1854200), (16, 1158875), (20, 927100), (25, 741680), (40, 463550), (50, 370840), (73, 254000), (80, 231775), (100, 185420), (125, 148336), (127, 146000), (146, 127000), (200, 92710), (250, 74168), (254, 73000), (292, 63500), (365, 50800), (400, 46355), (500, 37084), (508, 36500), (584, 31750), (635, 29200), (730, 25400), (1000, 18542), (1016, 18250), (1168, 15875), (1270, 14600), (1460, 12700), (1825, 10160), (2000, 9271), (2032, 9125), (2540, 7300), (2920, 6350), (3175, 5840), (3650, 5080)]