18479968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1433}}^1$

素因数の和:1487

約数の個数: 48

約数和(自身を含む): 40473216

約数和(自身を除く): 21993248

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1433, 1612, 2866, 3224, 5732, 6448, 11464, 12896, 18629, 22928, 37258, 44423, 45856, 74516, 88846, 149032, 177692, 298064, 355384, 577499, 596128, 710768, 1154998, 1421536, 2309996, 4619992, 9239984, 18479968]

約数ペア:

[(1, 18479968), (2, 9239984), (4, 4619992), (8, 2309996), (13, 1421536), (16, 1154998), (26, 710768), (31, 596128), (32, 577499), (52, 355384), (62, 298064), (104, 177692), (124, 149032), (208, 88846), (248, 74516), (403, 45856), (416, 44423), (496, 37258), (806, 22928), (992, 18629), (1433, 12896), (1612, 11464), (2866, 6448), (3224, 5732)]