18416944

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^2\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 90

約数和(自身を含む): 45270540

約数和(自身を除く): 26853596

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 139, 169, 182, 196, 208, 278, 338, 364, 392, 556, 637, 676, 728, 784, 973, 1112, 1183, 1274, 1352, 1456, 1807, 1946, 2224, 2366, 2548, 2704, 3614, 3892, 4732, 5096, 6811, 7228, 7784, 8281, 9464, 10192, 12649, 13622, 14456, 15568, 16562, 18928, 23491, 25298, 27244, 28912, 33124, 46982, 50596, 54488, 66248, 88543, 93964, 101192, 108976, 132496, 164437, 177086, 187928, 202384, 328874, 354172, 375856, 657748, 708344, 1151059, 1315496, 1416688, 2302118, 2630992, 4604236, 9208472, 18416944]

約数ペア:

[(1, 18416944), (2, 9208472), (4, 4604236), (7, 2630992), (8, 2302118), (13, 1416688), (14, 1315496), (16, 1151059), (26, 708344), (28, 657748), (49, 375856), (52, 354172), (56, 328874), (91, 202384), (98, 187928), (104, 177086), (112, 164437), (139, 132496), (169, 108976), (182, 101192), (196, 93964), (208, 88543), (278, 66248), (338, 54488), (364, 50596), (392, 46982), (556, 33124), (637, 28912), (676, 27244), (728, 25298), (784, 23491), (973, 18928), (1112, 16562), (1183, 15568), (1274, 14456), (1352, 13622), (1456, 12649), (1807, 10192), (1946, 9464), (2224, 8281), (2366, 7784), (2548, 7228), (2704, 6811), (3614, 5096), (3892, 4732)]