18919080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52553}}^1$

素因数の和:52570

約数の個数: 48

約数和(自身を含む): 61488180

約数和(自身を除く): 42569100

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 52553, 105106, 157659, 210212, 262765, 315318, 420424, 472977, 525530, 630636, 788295, 945954, 1051060, 1261272, 1576590, 1891908, 2102120, 2364885, 3153180, 3783816, 4729770, 6306360, 9459540, 18919080]

約数ペア:

[(1, 18919080), (2, 9459540), (3, 6306360), (4, 4729770), (5, 3783816), (6, 3153180), (8, 2364885), (9, 2102120), (10, 1891908), (12, 1576590), (15, 1261272), (18, 1051060), (20, 945954), (24, 788295), (30, 630636), (36, 525530), (40, 472977), (45, 420424), (60, 315318), (72, 262765), (90, 210212), (120, 157659), (180, 105106), (360, 52553)]