19894230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{221047}}^1$

素因数の和:221060

約数の個数: 24

約数和(自身を含む): 51725232

約数和(自身を除く): 31831002

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 221047, 442094, 663141, 1105235, 1326282, 1989423, 2210470, 3315705, 3978846, 6631410, 9947115, 19894230]

約数ペア:

[(1, 19894230), (2, 9947115), (3, 6631410), (5, 3978846), (6, 3315705), (9, 2210470), (10, 1989423), (15, 1326282), (18, 1105235), (30, 663141), (45, 442094), (90, 221047)]