1639873090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{375257}}^1$

素因数の和:375306

約数の個数: 32

約数和(自身を含む): 3242229120

約数和(自身を除く): 1602356030

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 375257, 750514, 1876285, 3752570, 7129883, 8630911, 14259766, 17261822, 35649415, 43154555, 71298830, 86309110, 163987309, 327974618, 819936545, 1639873090]

約数ペア:

[(1, 1639873090), (2, 819936545), (5, 327974618), (10, 163987309), (19, 86309110), (23, 71298830), (38, 43154555), (46, 35649415), (95, 17261822), (115, 14259766), (190, 8630911), (230, 7129883), (437, 3752570), (874, 1876285), (2185, 750514), (4370, 375257)]