19325060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 43376256

約数和(自身を除く): 24051196

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 977, 989, 1954, 1978, 3908, 3956, 4885, 4945, 9770, 9890, 19540, 19780, 22471, 42011, 44942, 84022, 89884, 112355, 168044, 210055, 224710, 420110, 449420, 840220, 966253, 1932506, 3865012, 4831265, 9662530, 19325060]

約数ペア:

[(1, 19325060), (2, 9662530), (4, 4831265), (5, 3865012), (10, 1932506), (20, 966253), (23, 840220), (43, 449420), (46, 420110), (86, 224710), (92, 210055), (115, 168044), (172, 112355), (215, 89884), (230, 84022), (430, 44942), (460, 42011), (860, 22471), (977, 19780), (989, 19540), (1954, 9890), (1978, 9770), (3908, 4945), (3956, 4885)]