18019968

素因数分解:

$2^7\times 3^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 48323520

約数和(自身を除く): 30303552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 167, 192, 281, 334, 384, 501, 562, 668, 843, 1002, 1124, 1336, 1686, 2004, 2248, 2672, 3372, 4008, 4496, 5344, 6744, 8016, 8992, 10688, 13488, 16032, 17984, 21376, 26976, 32064, 35968, 46927, 53952, 64128, 93854, 107904, 140781, 187708, 281562, 375416, 563124, 750832, 1126248, 1501664, 2252496, 3003328, 4504992, 6006656, 9009984, 18019968]

約数ペア:

[(1, 18019968), (2, 9009984), (3, 6006656), (4, 4504992), (6, 3003328), (8, 2252496), (12, 1501664), (16, 1126248), (24, 750832), (32, 563124), (48, 375416), (64, 281562), (96, 187708), (128, 140781), (167, 107904), (192, 93854), (281, 64128), (334, 53952), (384, 46927), (501, 35968), (562, 32064), (668, 26976), (843, 21376), (1002, 17984), (1124, 16032), (1336, 13488), (1686, 10688), (2004, 8992), (2248, 8016), (2672, 6744), (3372, 5344), (4008, 4496)]