19419080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13121}}^1$

素因数の和:13169

約数の個数: 32

約数和(自身を含む): 44877240

約数和(自身を除く): 25458160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13121, 26242, 52484, 65605, 104968, 131210, 262420, 485477, 524840, 970954, 1941908, 2427385, 3883816, 4854770, 9709540, 19419080]

約数ペア:

[(1, 19419080), (2, 9709540), (4, 4854770), (5, 3883816), (8, 2427385), (10, 1941908), (20, 970954), (37, 524840), (40, 485477), (74, 262420), (148, 131210), (185, 104968), (296, 65605), (370, 52484), (740, 26242), (1480, 13121)]