18163968

素因数分解:

$2^8\times 3^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 49203168

約数和(自身を除く): 31039200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 128, 134, 192, 201, 256, 268, 353, 384, 402, 536, 706, 768, 804, 1059, 1072, 1412, 1608, 2118, 2144, 2824, 3216, 4236, 4288, 5648, 6432, 8472, 8576, 11296, 12864, 16944, 17152, 22592, 23651, 25728, 33888, 45184, 47302, 51456, 67776, 70953, 90368, 94604, 135552, 141906, 189208, 271104, 283812, 378416, 567624, 756832, 1135248, 1513664, 2270496, 3027328, 4540992, 6054656, 9081984, 18163968]

約数ペア:

[(1, 18163968), (2, 9081984), (3, 6054656), (4, 4540992), (6, 3027328), (8, 2270496), (12, 1513664), (16, 1135248), (24, 756832), (32, 567624), (48, 378416), (64, 283812), (67, 271104), (96, 189208), (128, 141906), (134, 135552), (192, 94604), (201, 90368), (256, 70953), (268, 67776), (353, 51456), (384, 47302), (402, 45184), (536, 33888), (706, 25728), (768, 23651), (804, 22592), (1059, 17152), (1072, 16944), (1412, 12864), (1608, 11296), (2118, 8576), (2144, 8472), (2824, 6432), (3216, 5648), (4236, 4288)]