19245015

素因数分解:

$3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{661}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 33460128

約数和(自身を除く): 14215113

約数列:

[1, 3, 5, 9, 15, 45, 647, 661, 1941, 1983, 3235, 3305, 5823, 5949, 9705, 9915, 29115, 29745, 427667, 1283001, 2138335, 3849003, 6415005, 19245015]

約数ペア:

[(1, 19245015), (3, 6415005), (5, 3849003), (9, 2138335), (15, 1283001), (45, 427667), (647, 29745), (661, 29115), (1941, 9915), (1983, 9705), (3235, 5949), (3305, 5823)]