18149180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6823}}^1$

素因数の和:6858

約数の個数: 48

約数和(自身を含む): 45857280

約数和(自身を除く): 27708100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6823, 13646, 27292, 34115, 47761, 68230, 95522, 129637, 136460, 191044, 238805, 259274, 477610, 518548, 648185, 907459, 955220, 1296370, 1814918, 2592740, 3629836, 4537295, 9074590, 18149180]

約数ペア:

[(1, 18149180), (2, 9074590), (4, 4537295), (5, 3629836), (7, 2592740), (10, 1814918), (14, 1296370), (19, 955220), (20, 907459), (28, 648185), (35, 518548), (38, 477610), (70, 259274), (76, 238805), (95, 191044), (133, 136460), (140, 129637), (190, 95522), (266, 68230), (380, 47761), (532, 34115), (665, 27292), (1330, 13646), (2660, 6823)]