18651472

素因数分解:

$2^4\times 7^1\times {\mathrm{241}}^1\times {\mathrm{691}}^1$

素因数の和:947

約数の個数: 40

約数和(自身を含む): 41531072

約数和(自身を除く): 22879600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 241, 482, 691, 964, 1382, 1687, 1928, 2764, 3374, 3856, 4837, 5528, 6748, 9674, 11056, 13496, 19348, 26992, 38696, 77392, 166531, 333062, 666124, 1165717, 1332248, 2331434, 2664496, 4662868, 9325736, 18651472]

約数ペア:

[(1, 18651472), (2, 9325736), (4, 4662868), (7, 2664496), (8, 2331434), (14, 1332248), (16, 1165717), (28, 666124), (56, 333062), (112, 166531), (241, 77392), (482, 38696), (691, 26992), (964, 19348), (1382, 13496), (1687, 11056), (1928, 9674), (2764, 6748), (3374, 5528), (3856, 4837)]