19718520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{164321}}^1$

素因数の和:164335

約数の個数: 32

約数和(自身を含む): 59155920

約数和(自身を除く): 39437400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 164321, 328642, 492963, 657284, 821605, 985926, 1314568, 1643210, 1971852, 2464815, 3286420, 3943704, 4929630, 6572840, 9859260, 19718520]

約数ペア:

[(1, 19718520), (2, 9859260), (3, 6572840), (4, 4929630), (5, 3943704), (6, 3286420), (8, 2464815), (10, 1971852), (12, 1643210), (15, 1314568), (20, 985926), (24, 821605), (30, 657284), (40, 492963), (60, 328642), (120, 164321)]