30911890

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{3821}}^1$

素因数の和:4637

約数の個数: 16

約数和(自身を含む): 55724760

約数和(自身を除く): 24812870

約数列:

[1, 2, 5, 10, 809, 1618, 3821, 4045, 7642, 8090, 19105, 38210, 3091189, 6182378, 15455945, 30911890]

約数ペア:

[(1, 30911890), (2, 15455945), (5, 6182378), (10, 3091189), (809, 38210), (1618, 19105), (3821, 8090), (4045, 7642)]