19401990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4283}}^1$

素因数の和:4444

約数の個数: 32

約数和(自身を含む): 46884096

約数和(自身を除く): 27482106

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 151, 302, 453, 755, 906, 1510, 2265, 4283, 4530, 8566, 12849, 21415, 25698, 42830, 64245, 128490, 646733, 1293466, 1940199, 3233665, 3880398, 6467330, 9700995, 19401990]

約数ペア:

[(1, 19401990), (2, 9700995), (3, 6467330), (5, 3880398), (6, 3233665), (10, 1940199), (15, 1293466), (30, 646733), (151, 128490), (302, 64245), (453, 42830), (755, 25698), (906, 21415), (1510, 12849), (2265, 8566), (4283, 4530)]