18978426

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 44015400

約数和(自身を除く): 25036974

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 109, 153, 218, 306, 327, 569, 654, 981, 1138, 1707, 1853, 1962, 3414, 3706, 5121, 5559, 9673, 10242, 11118, 16677, 19346, 29019, 33354, 58038, 62021, 87057, 124042, 174114, 186063, 372126, 558189, 1054357, 1116378, 2108714, 3163071, 6326142, 9489213, 18978426]

約数ペア:

[(1, 18978426), (2, 9489213), (3, 6326142), (6, 3163071), (9, 2108714), (17, 1116378), (18, 1054357), (34, 558189), (51, 372126), (102, 186063), (109, 174114), (153, 124042), (218, 87057), (306, 62021), (327, 58038), (569, 33354), (654, 29019), (981, 19346), (1138, 16677), (1707, 11118), (1853, 10242), (1962, 9673), (3414, 5559), (3706, 5121)]