18737664

素因数分解:

$2^9\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1109}}^1$

素因数の和:1141

約数の個数: 80

約数和(自身を含む): 54505440

約数和(自身を除く): 35767776

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 256, 264, 352, 384, 512, 528, 704, 768, 1056, 1109, 1408, 1536, 2112, 2218, 2816, 3327, 4224, 4436, 5632, 6654, 8448, 8872, 12199, 13308, 16896, 17744, 24398, 26616, 35488, 36597, 48796, 53232, 70976, 73194, 97592, 106464, 141952, 146388, 195184, 212928, 283904, 292776, 390368, 425856, 567808, 585552, 780736, 851712, 1171104, 1561472, 1703424, 2342208, 3122944, 4684416, 6245888, 9368832, 18737664]

約数ペア:

[(1, 18737664), (2, 9368832), (3, 6245888), (4, 4684416), (6, 3122944), (8, 2342208), (11, 1703424), (12, 1561472), (16, 1171104), (22, 851712), (24, 780736), (32, 585552), (33, 567808), (44, 425856), (48, 390368), (64, 292776), (66, 283904), (88, 212928), (96, 195184), (128, 146388), (132, 141952), (176, 106464), (192, 97592), (256, 73194), (264, 70976), (352, 53232), (384, 48796), (512, 36597), (528, 35488), (704, 26616), (768, 24398), (1056, 17744), (1109, 16896), (1408, 13308), (1536, 12199), (2112, 8872), (2218, 8448), (2816, 6654), (3327, 5632), (4224, 4436)]