19393460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1153}}^1$

素因数の和:1220

約数の個数: 36

約数和(自身を含む): 42215628

約数和(自身を除く): 22822168

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1153, 1682, 2306, 3364, 4205, 4612, 5765, 8410, 11530, 16820, 23060, 33437, 66874, 133748, 167185, 334370, 668740, 969673, 1939346, 3878692, 4848365, 9696730, 19393460]

約数ペア:

[(1, 19393460), (2, 9696730), (4, 4848365), (5, 3878692), (10, 1939346), (20, 969673), (29, 668740), (58, 334370), (116, 167185), (145, 133748), (290, 66874), (580, 33437), (841, 23060), (1153, 16820), (1682, 11530), (2306, 8410), (3364, 5765), (4205, 4612)]