19268732

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 40427520

約数和(自身を除く): 21158788

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 79, 124, 158, 217, 281, 316, 434, 553, 562, 868, 1106, 1124, 1967, 2212, 2449, 3934, 4898, 7868, 8711, 9796, 17143, 17422, 22199, 34286, 34844, 44398, 60977, 68572, 88796, 121954, 155393, 243908, 310786, 621572, 688169, 1376338, 2752676, 4817183, 9634366, 19268732]

約数ペア:

[(1, 19268732), (2, 9634366), (4, 4817183), (7, 2752676), (14, 1376338), (28, 688169), (31, 621572), (62, 310786), (79, 243908), (124, 155393), (158, 121954), (217, 88796), (281, 68572), (316, 60977), (434, 44398), (553, 34844), (562, 34286), (868, 22199), (1106, 17422), (1124, 17143), (1967, 9796), (2212, 8711), (2449, 7868), (3934, 4898)]