17820860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2039}}^1$

素因数の和:2090

約数の個数: 48

約数和(自身を含む): 41126400

約数和(自身を除く): 23305540

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2039, 2185, 4078, 4370, 8156, 8740, 10195, 20390, 38741, 40780, 46897, 77482, 93794, 154964, 187588, 193705, 234485, 387410, 468970, 774820, 891043, 937940, 1782086, 3564172, 4455215, 8910430, 17820860]

約数ペア:

[(1, 17820860), (2, 8910430), (4, 4455215), (5, 3564172), (10, 1782086), (19, 937940), (20, 891043), (23, 774820), (38, 468970), (46, 387410), (76, 234485), (92, 193705), (95, 187588), (115, 154964), (190, 93794), (230, 77482), (380, 46897), (437, 40780), (460, 38741), (874, 20390), (1748, 10195), (2039, 8740), (2185, 8156), (4078, 4370)]