19419720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{161831}}^1$

素因数の和:161845

約数の個数: 32

約数和(自身を含む): 58259520

約数和(自身を除く): 38839800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 161831, 323662, 485493, 647324, 809155, 970986, 1294648, 1618310, 1941972, 2427465, 3236620, 3883944, 4854930, 6473240, 9709860, 19419720]

約数ペア:

[(1, 19419720), (2, 9709860), (3, 6473240), (4, 4854930), (5, 3883944), (6, 3236620), (8, 2427465), (10, 1941972), (12, 1618310), (15, 1294648), (20, 970986), (24, 809155), (30, 647324), (40, 485493), (60, 323662), (120, 161831)]