19451970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{216133}}^1$

素因数の和:216146

約数の個数: 24

約数和(自身を含む): 50575356

約数和(自身を除く): 31123386

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 216133, 432266, 648399, 1080665, 1296798, 1945197, 2161330, 3241995, 3890394, 6483990, 9725985, 19451970]

約数ペア:

[(1, 19451970), (2, 9725985), (3, 6483990), (5, 3890394), (6, 3241995), (9, 2161330), (10, 1945197), (15, 1296798), (18, 1080665), (30, 648399), (45, 432266), (90, 216133)]