18825540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1193}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 52956288

約数和(自身を除く): 34130748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 789, 1052, 1193, 1315, 1578, 2386, 2630, 3156, 3579, 3945, 4772, 5260, 5965, 7158, 7890, 11930, 14316, 15780, 17895, 23860, 35790, 71580, 313759, 627518, 941277, 1255036, 1568795, 1882554, 3137590, 3765108, 4706385, 6275180, 9412770, 18825540]

約数ペア:

[(1, 18825540), (2, 9412770), (3, 6275180), (4, 4706385), (5, 3765108), (6, 3137590), (10, 1882554), (12, 1568795), (15, 1255036), (20, 941277), (30, 627518), (60, 313759), (263, 71580), (526, 35790), (789, 23860), (1052, 17895), (1193, 15780), (1315, 14316), (1578, 11930), (2386, 7890), (2630, 7158), (3156, 5965), (3579, 5260), (3945, 4772)]