18481040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 46282752

約数和(自身を除く): 27801712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 107, 127, 136, 170, 214, 254, 272, 340, 428, 508, 535, 635, 680, 856, 1016, 1070, 1270, 1360, 1712, 1819, 2032, 2140, 2159, 2540, 3638, 4280, 4318, 5080, 7276, 8560, 8636, 9095, 10160, 10795, 13589, 14552, 17272, 18190, 21590, 27178, 29104, 34544, 36380, 43180, 54356, 67945, 72760, 86360, 108712, 135890, 145520, 172720, 217424, 231013, 271780, 462026, 543560, 924052, 1087120, 1155065, 1848104, 2310130, 3696208, 4620260, 9240520, 18481040]

約数ペア:

[(1, 18481040), (2, 9240520), (4, 4620260), (5, 3696208), (8, 2310130), (10, 1848104), (16, 1155065), (17, 1087120), (20, 924052), (34, 543560), (40, 462026), (68, 271780), (80, 231013), (85, 217424), (107, 172720), (127, 145520), (136, 135890), (170, 108712), (214, 86360), (254, 72760), (272, 67945), (340, 54356), (428, 43180), (508, 36380), (535, 34544), (635, 29104), (680, 27178), (856, 21590), (1016, 18190), (1070, 17272), (1270, 14552), (1360, 13589), (1712, 10795), (1819, 10160), (2032, 9095), (2140, 8636), (2159, 8560), (2540, 7276), (3638, 5080), (4280, 4318)]