18790656

素因数分解:

$2^8\times 3^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 51263520

約数和(自身を除く): 32472864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 256, 258, 344, 384, 516, 569, 688, 768, 1032, 1138, 1376, 1707, 2064, 2276, 2752, 3414, 4128, 4552, 5504, 6828, 8256, 9104, 11008, 13656, 16512, 18208, 24467, 27312, 33024, 36416, 48934, 54624, 72832, 73401, 97868, 109248, 145664, 146802, 195736, 218496, 293604, 391472, 436992, 587208, 782944, 1174416, 1565888, 2348832, 3131776, 4697664, 6263552, 9395328, 18790656]

約数ペア:

[(1, 18790656), (2, 9395328), (3, 6263552), (4, 4697664), (6, 3131776), (8, 2348832), (12, 1565888), (16, 1174416), (24, 782944), (32, 587208), (43, 436992), (48, 391472), (64, 293604), (86, 218496), (96, 195736), (128, 146802), (129, 145664), (172, 109248), (192, 97868), (256, 73401), (258, 72832), (344, 54624), (384, 48934), (516, 36416), (569, 33024), (688, 27312), (768, 24467), (1032, 18208), (1138, 16512), (1376, 13656), (1707, 11008), (2064, 9104), (2276, 8256), (2752, 6828), (3414, 5504), (4128, 4552)]