19273804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 38497536

約数和(自身を除く): 19223732

約数列:

[1, 2, 4, 11, 22, 43, 44, 61, 86, 122, 167, 172, 244, 334, 473, 668, 671, 946, 1342, 1837, 1892, 2623, 2684, 3674, 5246, 7181, 7348, 10187, 10492, 14362, 20374, 28724, 28853, 40748, 57706, 78991, 112057, 115412, 157982, 224114, 315964, 438041, 448228, 876082, 1752164, 4818451, 9636902, 19273804]

約数ペア:

[(1, 19273804), (2, 9636902), (4, 4818451), (11, 1752164), (22, 876082), (43, 448228), (44, 438041), (61, 315964), (86, 224114), (122, 157982), (167, 115412), (172, 112057), (244, 78991), (334, 57706), (473, 40748), (668, 28853), (671, 28724), (946, 20374), (1342, 14362), (1837, 10492), (1892, 10187), (2623, 7348), (2684, 7181), (3674, 5246)]