18842760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:332

約数の個数: 128

約数和(自身を含む): 63936000

約数和(自身を除く): 45093240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 73, 90, 108, 120, 135, 146, 180, 216, 219, 239, 270, 292, 360, 365, 438, 478, 540, 584, 657, 717, 730, 876, 956, 1080, 1095, 1195, 1314, 1434, 1460, 1752, 1912, 1971, 2151, 2190, 2390, 2628, 2868, 2920, 3285, 3585, 3942, 4302, 4380, 4780, 5256, 5736, 6453, 6570, 7170, 7884, 8604, 8760, 9560, 9855, 10755, 12906, 13140, 14340, 15768, 17208, 17447, 19710, 21510, 25812, 26280, 28680, 32265, 34894, 39420, 43020, 51624, 52341, 64530, 69788, 78840, 86040, 87235, 104682, 129060, 139576, 157023, 174470, 209364, 258120, 261705, 314046, 348940, 418728, 471069, 523410, 628092, 697880, 785115, 942138, 1046820, 1256184, 1570230, 1884276, 2093640, 2355345, 3140460, 3768552, 4710690, 6280920, 9421380, 18842760]

約数ペア:

[(1, 18842760), (2, 9421380), (3, 6280920), (4, 4710690), (5, 3768552), (6, 3140460), (8, 2355345), (9, 2093640), (10, 1884276), (12, 1570230), (15, 1256184), (18, 1046820), (20, 942138), (24, 785115), (27, 697880), (30, 628092), (36, 523410), (40, 471069), (45, 418728), (54, 348940), (60, 314046), (72, 261705), (73, 258120), (90, 209364), (108, 174470), (120, 157023), (135, 139576), (146, 129060), (180, 104682), (216, 87235), (219, 86040), (239, 78840), (270, 69788), (292, 64530), (360, 52341), (365, 51624), (438, 43020), (478, 39420), (540, 34894), (584, 32265), (657, 28680), (717, 26280), (730, 25812), (876, 21510), (956, 19710), (1080, 17447), (1095, 17208), (1195, 15768), (1314, 14340), (1434, 13140), (1460, 12906), (1752, 10755), (1912, 9855), (1971, 9560), (2151, 8760), (2190, 8604), (2390, 7884), (2628, 7170), (2868, 6570), (2920, 6453), (3285, 5736), (3585, 5256), (3942, 4780), (4302, 4380)]