18905688

素因数分解:

$2^3\times 3^2\times {\mathrm{97}}^1\times {\mathrm{2707}}^1$

素因数の和:2816

約数の個数: 48

約数和(自身を含む): 51749880

約数和(自身を除く): 32844192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 97, 194, 291, 388, 582, 776, 873, 1164, 1746, 2328, 2707, 3492, 5414, 6984, 8121, 10828, 16242, 21656, 24363, 32484, 48726, 64968, 97452, 194904, 262579, 525158, 787737, 1050316, 1575474, 2100632, 2363211, 3150948, 4726422, 6301896, 9452844, 18905688]

約数ペア:

[(1, 18905688), (2, 9452844), (3, 6301896), (4, 4726422), (6, 3150948), (8, 2363211), (9, 2100632), (12, 1575474), (18, 1050316), (24, 787737), (36, 525158), (72, 262579), (97, 194904), (194, 97452), (291, 64968), (388, 48726), (582, 32484), (776, 24363), (873, 21656), (1164, 16242), (1746, 10828), (2328, 8121), (2707, 6984), (3492, 5414)]