18187520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1093}}^1$

素因数の和:1127

約数の個数: 72

約数和(自身を含む): 46958856

約数和(自身を除く): 28771336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1093, 1280, 1664, 2080, 2186, 3328, 4160, 4372, 5465, 8320, 8744, 10930, 14209, 16640, 17488, 21860, 28418, 34976, 43720, 56836, 69952, 71045, 87440, 113672, 139904, 142090, 174880, 227344, 279808, 284180, 349760, 454688, 568360, 699520, 909376, 1136720, 1399040, 1818752, 2273440, 3637504, 4546880, 9093760, 18187520]

約数ペア:

[(1, 18187520), (2, 9093760), (4, 4546880), (5, 3637504), (8, 2273440), (10, 1818752), (13, 1399040), (16, 1136720), (20, 909376), (26, 699520), (32, 568360), (40, 454688), (52, 349760), (64, 284180), (65, 279808), (80, 227344), (104, 174880), (128, 142090), (130, 139904), (160, 113672), (208, 87440), (256, 71045), (260, 69952), (320, 56836), (416, 43720), (520, 34976), (640, 28418), (832, 21860), (1040, 17488), (1093, 16640), (1280, 14209), (1664, 10930), (2080, 8744), (2186, 8320), (3328, 5465), (4160, 4372)]