19044460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2179}}^1$

素因数の和:2230

約数の個数: 48

約数和(自身を含む): 43948800

約数和(自身を除く): 24904340

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2179, 2185, 4358, 4370, 8716, 8740, 10895, 21790, 41401, 43580, 50117, 82802, 100234, 165604, 200468, 207005, 250585, 414010, 501170, 828020, 952223, 1002340, 1904446, 3808892, 4761115, 9522230, 19044460]

約数ペア:

[(1, 19044460), (2, 9522230), (4, 4761115), (5, 3808892), (10, 1904446), (19, 1002340), (20, 952223), (23, 828020), (38, 501170), (46, 414010), (76, 250585), (92, 207005), (95, 200468), (115, 165604), (190, 100234), (230, 82802), (380, 50117), (437, 43580), (460, 41401), (874, 21790), (1748, 10895), (2179, 8740), (2185, 8716), (4358, 4370)]