18864960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:520

約数の個数: 112

約数和(自身を含む): 61423296

約数和(自身を除く): 42558336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 129, 160, 172, 192, 215, 240, 258, 320, 344, 430, 457, 480, 516, 645, 688, 860, 914, 960, 1032, 1290, 1371, 1376, 1720, 1828, 2064, 2285, 2580, 2742, 2752, 3440, 3656, 4128, 4570, 5160, 5484, 6855, 6880, 7312, 8256, 9140, 10320, 10968, 13710, 13760, 14624, 18280, 19651, 20640, 21936, 27420, 29248, 36560, 39302, 41280, 43872, 54840, 58953, 73120, 78604, 87744, 98255, 109680, 117906, 146240, 157208, 196510, 219360, 235812, 294765, 314416, 393020, 438720, 471624, 589530, 628832, 786040, 943248, 1179060, 1257664, 1572080, 1886496, 2358120, 3144160, 3772992, 4716240, 6288320, 9432480, 18864960]

約数ペア:

[(1, 18864960), (2, 9432480), (3, 6288320), (4, 4716240), (5, 3772992), (6, 3144160), (8, 2358120), (10, 1886496), (12, 1572080), (15, 1257664), (16, 1179060), (20, 943248), (24, 786040), (30, 628832), (32, 589530), (40, 471624), (43, 438720), (48, 393020), (60, 314416), (64, 294765), (80, 235812), (86, 219360), (96, 196510), (120, 157208), (129, 146240), (160, 117906), (172, 109680), (192, 98255), (215, 87744), (240, 78604), (258, 73120), (320, 58953), (344, 54840), (430, 43872), (457, 41280), (480, 39302), (516, 36560), (645, 29248), (688, 27420), (860, 21936), (914, 20640), (960, 19651), (1032, 18280), (1290, 14624), (1371, 13760), (1376, 13710), (1720, 10968), (1828, 10320), (2064, 9140), (2285, 8256), (2580, 7312), (2742, 6880), (2752, 6855), (3440, 5484), (3656, 5160), (4128, 4570)]