18878520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157321}}^1$

素因数の和:157335

約数の個数: 32

約数和(自身を含む): 56635920

約数和(自身を除く): 37757400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157321, 314642, 471963, 629284, 786605, 943926, 1258568, 1573210, 1887852, 2359815, 3146420, 3775704, 4719630, 6292840, 9439260, 18878520]

約数ペア:

[(1, 18878520), (2, 9439260), (3, 6292840), (4, 4719630), (5, 3775704), (6, 3146420), (8, 2359815), (10, 1887852), (12, 1573210), (15, 1258568), (20, 943926), (24, 786605), (30, 629284), (40, 471963), (60, 314642), (120, 157321)]